aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/ac97/ac97_patch.c
blob: 43455fc07b778d1cbcf62c55a8ba06a17d2bae69 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
/*
 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
 *  Universal interface for Audio Codec '97
 *
 *  For more details look to AC '97 component specification revision 2.2
 *  by Intel Corporation (http://developer.intel.com) and to datasheets
 *  for specific codecs.
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include "ac97_local.h"
#include "ac97_patch.h"

/*
 *  Chip specific initialization
 */

static int patch_build_controls(struct snd_ac97 * ac97, const struct snd_kcontrol_new *controls, int count)
{
	int idx, err;

	for (idx = 0; idx < count; idx++)
		if ((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&controls[idx], ac97))) < 0)
			return err;
	return 0;
}

/* replace with a new TLV */
static void reset_tlv(struct snd_ac97 *ac97, const char *name,
		      const unsigned int *tlv)
{
	struct snd_ctl_elem_id sid;
	struct snd_kcontrol *kctl;
	memset(&sid, 0, sizeof(sid));
	strcpy(sid.name, name);
	sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	kctl = snd_ctl_find_id(ac97->bus->card, &sid);
	if (kctl && kctl->tlv.p)
		kctl->tlv.p = tlv;
}

/* set to the page, update bits and restore the page */
static int ac97_update_bits_page(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value, unsigned short page)
{
	unsigned short page_save;
	int ret;

	mutex_lock(&ac97->page_mutex);
	page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
	snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
	ret = snd_ac97_update_bits(ac97, reg, mask, value);
	snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
	mutex_unlock(&ac97->page_mutex); /* unlock paging */
	return ret;
}

/*
 * shared line-in/mic controls
 */
static int ac97_enum_text_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo,
			       const char **texts, unsigned int nums)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = nums;
	if (uinfo->value.enumerated.item > nums - 1)
		uinfo->value.enumerated.item = nums - 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int ac97_surround_jack_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static const char *texts[] = { "Shared", "Independent" };
	return ac97_enum_text_info(kcontrol, uinfo, texts, 2);
}

static int ac97_surround_jack_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	ucontrol->value.enumerated.item[0] = ac97->indep_surround;
	return 0;
}

static int ac97_surround_jack_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned char indep = !!ucontrol->value.enumerated.item[0];

	if (indep != ac97->indep_surround) {
		ac97->indep_surround = indep;
		if (ac97->build_ops->update_jacks)
			ac97->build_ops->update_jacks(ac97);
		return 1;
	}
	return 0;
}

static int ac97_channel_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static const char *texts[] = { "2ch", "4ch", "6ch" };
	if (kcontrol->private_value)
		return ac97_enum_text_info(kcontrol, uinfo, texts, 2); /* 4ch only */
	return ac97_enum_text_info(kcontrol, uinfo, texts, 3);
}

static int ac97_channel_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	ucontrol->value.enumerated.item[0] = ac97->channel_mode;
	return 0;
}

static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned char mode = ucontrol->value.enumerated.item[0];

	if (mode != ac97->channel_mode) {
		ac97->channel_mode = mode;
		if (ac97->build_ops->update_jacks)
			ac97->build_ops->update_jacks(ac97);
		return 1;
	}
	return 0;
}

#define AC97_SURROUND_JACK_MODE_CTL \
	{ \
		.iface	= SNDRV_CTL_ELEM_IFACE_MIXER, \
		.name	= "Surround Jack Mode", \
		.info = ac97_surround_jack_mode_info, \
		.get = ac97_surround_jack_mode_get, \
		.put = ac97_surround_jack_mode_put, \
	}
#define AC97_CHANNEL_MODE_CTL \
	{ \
		.iface	= SNDRV_CTL_ELEM_IFACE_MIXER, \
		.name	= "Channel Mode", \
		.info = ac97_channel_mode_info, \
		.get = ac97_channel_mode_get, \
		.put = ac97_channel_mode_put, \
	}
#define AC97_CHANNEL_MODE_4CH_CTL \
	{ \
		.iface	= SNDRV_CTL_ELEM_IFACE_MIXER, \
		.name	= "Channel Mode", \
		.info = ac97_channel_mode_info, \
		.get = ac97_channel_mode_get, \
		.put = ac97_channel_mode_put, \
		.private_value = 1, \
	}

static inline int is_surround_on(struct snd_ac97 *ac97)
{
	return ac97->channel_mode >= 1;
}

static inline int is_clfe_on(struct snd_ac97 *ac97)
{
	return ac97->channel_mode >= 2;
}

/* system has shared jacks with surround out enabled */
static inline int is_shared_surrout(struct snd_ac97 *ac97)
{
	return !ac97->indep_surround && is_surround_on(ac97);
}

/* system has shared jacks with center/lfe out enabled */
static inline int is_shared_clfeout(struct snd_ac97 *ac97)
{
	return !ac97->indep_surround && is_clfe_on(ac97);
}

/* system has shared jacks with line in enabled */
static inline int is_shared_linein(struct snd_ac97 *ac97)
{
	return !ac97->indep_surround && !is_surround_on(ac97);
}

/* system has shared jacks with mic in enabled */
static inline int is_shared_micin(struct snd_ac97 *ac97)
{
	return !ac97->indep_surround && !is_clfe_on(ac97);
}


/* The following snd_ac97_ymf753_... items added by David Shust (dshust@shustring.com) */

/* It is possible to indicate to the Yamaha YMF753 the type of speakers being used. */
static int snd_ac97_ymf753_info_speaker(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[3] = {
		"Standard", "Small", "Smaller"
	};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 3;
	if (uinfo->value.enumerated.item > 2)
		uinfo->value.enumerated.item = 2;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_ymf753_get_speaker(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_YMF753_3D_MODE_SEL];
	val = (val >> 10) & 3;
	if (val > 0)    /* 0 = invalid */
		val--;
	ucontrol->value.enumerated.item[0] = val;
	return 0;
}

static int snd_ac97_ymf753_put_speaker(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	if (ucontrol->value.enumerated.item[0] > 2)
		return -EINVAL;
	val = (ucontrol->value.enumerated.item[0] + 1) << 10;
	return snd_ac97_update(ac97, AC97_YMF753_3D_MODE_SEL, val);
}

static const struct snd_kcontrol_new snd_ac97_ymf753_controls_speaker =
{
	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name   = "3D Control - Speaker",
	.info   = snd_ac97_ymf753_info_speaker,
	.get    = snd_ac97_ymf753_get_speaker,
	.put    = snd_ac97_ymf753_put_speaker,
};

/* It is possible to indicate to the Yamaha YMF753 the source to direct to the S/PDIF output. */
static int snd_ac97_ymf753_spdif_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[2] = { "AC-Link", "A/D Converter" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item > 1)
		uinfo->value.enumerated.item = 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_ymf753_spdif_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_YMF753_DIT_CTRL2];
	ucontrol->value.enumerated.item[0] = (val >> 1) & 1;
	return 0;
}

static int snd_ac97_ymf753_spdif_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	if (ucontrol->value.enumerated.item[0] > 1)
		return -EINVAL;
	val = ucontrol->value.enumerated.item[0] << 1;
	return snd_ac97_update_bits(ac97, AC97_YMF753_DIT_CTRL2, 0x0002, val);
}

/* The AC'97 spec states that the S/PDIF signal is to be output at pin 48.
   The YMF753 will output the S/PDIF signal to pin 43, 47 (EAPD), or 48.
   By default, no output pin is selected, and the S/PDIF signal is not output.
   There is also a bit to mute S/PDIF output in a vendor-specific register. */
static int snd_ac97_ymf753_spdif_output_pin_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[3] = { "Disabled", "Pin 43", "Pin 48" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 3;
	if (uinfo->value.enumerated.item > 2)
		uinfo->value.enumerated.item = 2;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_ymf753_spdif_output_pin_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_YMF753_DIT_CTRL2];
	ucontrol->value.enumerated.item[0] = (val & 0x0008) ? 2 : (val & 0x0020) ? 1 : 0;
	return 0;
}

static int snd_ac97_ymf753_spdif_output_pin_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	if (ucontrol->value.enumerated.item[0] > 2)
		return -EINVAL;
	val = (ucontrol->value.enumerated.item[0] == 2) ? 0x0008 :
	      (ucontrol->value.enumerated.item[0] == 1) ? 0x0020 : 0;
	return snd_ac97_update_bits(ac97, AC97_YMF753_DIT_CTRL2, 0x0028, val);
	/* The following can be used to direct S/PDIF output to pin 47 (EAPD).
	   snd_ac97_write_cache(ac97, 0x62, snd_ac97_read(ac97, 0x62) | 0x0008); */
}

static const struct snd_kcontrol_new snd_ac97_ymf753_controls_spdif[3] = {
	{
		.iface	= SNDRV_CTL_ELEM_IFACE_MIXER,
		.name	= SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
		.info	= snd_ac97_ymf753_spdif_source_info,
		.get	= snd_ac97_ymf753_spdif_source_get,
		.put	= snd_ac97_ymf753_spdif_source_put,
	},
	{
		.iface	= SNDRV_CTL_ELEM_IFACE_MIXER,
		.name	= SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Output Pin",
		.info	= snd_ac97_ymf753_spdif_output_pin_info,
		.get	= snd_ac97_ymf753_spdif_output_pin_get,
		.put	= snd_ac97_ymf753_spdif_output_pin_put,
	},
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",NONE,NONE) "Mute", AC97_YMF753_DIT_CTRL2, 2, 1, 1)
};

static int patch_yamaha_ymf753_3d(struct snd_ac97 * ac97)
{
	struct snd_kcontrol *kctl;
	int err;

	if ((err = snd_ctl_add(ac97->bus->card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
		return err;
	strcpy(kctl->id.name, "3D Control - Wide");
	kctl->private_value = AC97_SINGLE_VALUE(AC97_3D_CONTROL, 9, 7, 0);
	snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
	if ((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_ymf753_controls_speaker, ac97))) < 0)
		return err;
	snd_ac97_write_cache(ac97, AC97_YMF753_3D_MODE_SEL, 0x0c00);
	return 0;
}

static int patch_yamaha_ymf753_post_spdif(struct snd_ac97 * ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, snd_ac97_ymf753_controls_spdif, ARRAY_SIZE(snd_ac97_ymf753_controls_spdif))) < 0)
		return err;
	return 0;
}

static struct snd_ac97_build_ops patch_yamaha_ymf753_ops = {
	.build_3d	= patch_yamaha_ymf753_3d,
	.build_post_spdif = patch_yamaha_ymf753_post_spdif
};

static int patch_yamaha_ymf753(struct snd_ac97 * ac97)
{
	/* Patch for Yamaha YMF753, Copyright (c) by David Shust, dshust@shustring.com.
	   This chip has nonstandard and extended behaviour with regard to its S/PDIF output.
	   The AC'97 spec states that the S/PDIF signal is to be output at pin 48.
	   The YMF753 will ouput the S/PDIF signal to pin 43, 47 (EAPD), or 48.
	   By default, no output pin is selected, and the S/PDIF signal is not output.
	   There is also a bit to mute S/PDIF output in a vendor-specific register.
	*/
	ac97->build_ops = &patch_yamaha_ymf753_ops;
	ac97->caps |= AC97_BC_BASS_TREBLE;
	ac97->caps |= 0x04 << 10; /* Yamaha 3D enhancement */
	return 0;
}

/*
 * May 2, 2003 Liam Girdwood <liam.girdwood@wolfsonmicro.com>
 *  removed broken wolfson00 patch.
 *  added support for WM9705,WM9708,WM9709,WM9710,WM9711,WM9712 and WM9717.
 */

static const struct snd_kcontrol_new wm97xx_snd_ac97_controls[] = {
AC97_DOUBLE("Front Playback Volume", AC97_WM97XX_FMIXER_VOL, 8, 0, 31, 1),
AC97_SINGLE("Front Playback Switch", AC97_WM97XX_FMIXER_VOL, 15, 1, 1),
};

static int patch_wolfson_wm9703_specific(struct snd_ac97 * ac97)
{
	/* This is known to work for the ViewSonic ViewPad 1000
	 * Randolph Bentson <bentson@holmsjoen.com>
	 * WM9703/9707/9708/9717 
	 */
	int err, i;
	
	for (i = 0; i < ARRAY_SIZE(wm97xx_snd_ac97_controls); i++) {
		if ((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&wm97xx_snd_ac97_controls[i], ac97))) < 0)
			return err;
	}
	snd_ac97_write_cache(ac97,  AC97_WM97XX_FMIXER_VOL, 0x0808);
	return 0;
}

static struct snd_ac97_build_ops patch_wolfson_wm9703_ops = {
	.build_specific = patch_wolfson_wm9703_specific,
};

static int patch_wolfson03(struct snd_ac97 * ac97)
{
	ac97->build_ops = &patch_wolfson_wm9703_ops;
	return 0;
}

static const struct snd_kcontrol_new wm9704_snd_ac97_controls[] = {
AC97_DOUBLE("Front Playback Volume", AC97_WM97XX_FMIXER_VOL, 8, 0, 31, 1),
AC97_SINGLE("Front Playback Switch", AC97_WM97XX_FMIXER_VOL, 15, 1, 1),
AC97_DOUBLE("Rear Playback Volume", AC97_WM9704_RMIXER_VOL, 8, 0, 31, 1),
AC97_SINGLE("Rear Playback Switch", AC97_WM9704_RMIXER_VOL, 15, 1, 1),
AC97_DOUBLE("Rear DAC Volume", AC97_WM9704_RPCM_VOL, 8, 0, 31, 1),
AC97_DOUBLE("Surround Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
};

static int patch_wolfson_wm9704_specific(struct snd_ac97 * ac97)
{
	int err, i;
	for (i = 0; i < ARRAY_SIZE(wm9704_snd_ac97_controls); i++) {
		if ((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&wm9704_snd_ac97_controls[i], ac97))) < 0)
			return err;
	}
	/* patch for DVD noise */
	snd_ac97_write_cache(ac97, AC97_WM9704_TEST, 0x0200);
	return 0;
}

static struct snd_ac97_build_ops patch_wolfson_wm9704_ops = {
	.build_specific = patch_wolfson_wm9704_specific,
};

static int patch_wolfson04(struct snd_ac97 * ac97)
{
	/* WM9704M/9704Q */
	ac97->build_ops = &patch_wolfson_wm9704_ops;
	return 0;
}

static int patch_wolfson_wm9705_specific(struct snd_ac97 * ac97)
{
	int err, i;
	for (i = 0; i < ARRAY_SIZE(wm97xx_snd_ac97_controls); i++) {
		if ((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&wm97xx_snd_ac97_controls[i], ac97))) < 0)
			return err;
	}
	snd_ac97_write_cache(ac97,  0x72, 0x0808);
	return 0;
}

static struct snd_ac97_build_ops patch_wolfson_wm9705_ops = {
	.build_specific = patch_wolfson_wm9705_specific,
};

static int patch_wolfson05(struct snd_ac97 * ac97)
{
	/* WM9705, WM9710 */
	ac97->build_ops = &patch_wolfson_wm9705_ops;
#ifdef CONFIG_TOUCHSCREEN_WM9705
	/* WM9705 touchscreen uses AUX and VIDEO for touch */
	ac97->flags |= AC97_HAS_NO_VIDEO | AC97_HAS_NO_AUX;
#endif
	return 0;
}

static const char* wm9711_alc_select[] = {"None", "Left", "Right", "Stereo"};
static const char* wm9711_alc_mix[] = {"Stereo", "Right", "Left", "None"};
static const char* wm9711_out3_src[] = {"Left", "VREF", "Left + Right", "Mono"};
static const char* wm9711_out3_lrsrc[] = {"Master Mix", "Headphone Mix"};
static const char* wm9711_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
static const char* wm9711_base[] = {"Linear Control", "Adaptive Boost"};
static const char* wm9711_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
static const char* wm9711_mic[] = {"Mic 1", "Differential", "Mic 2", "Stereo"};
static const char* wm9711_rec_sel[] = 
	{"Mic 1", "NC", "NC", "Master Mix", "Line", "Headphone Mix", "Phone Mix", "Phone"};
static const char* wm9711_ng_type[] = {"Constant Gain", "Mute"};

static const struct ac97_enum wm9711_enum[] = {
AC97_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9711_alc_select),
AC97_ENUM_SINGLE(AC97_VIDEO, 10, 4, wm9711_alc_mix),
AC97_ENUM_SINGLE(AC97_AUX, 9, 4, wm9711_out3_src),
AC97_ENUM_SINGLE(AC97_AUX, 8, 2, wm9711_out3_lrsrc),
AC97_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9711_rec_adc),
AC97_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9711_base),
AC97_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9711_rec_gain),
AC97_ENUM_SINGLE(AC97_MIC, 5, 4, wm9711_mic),
AC97_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, wm9711_rec_sel),
AC97_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9711_ng_type),
};

static const struct snd_kcontrol_new wm9711_snd_ac97_controls[] = {
AC97_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
AC97_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
AC97_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
AC97_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
AC97_ENUM("ALC Function", wm9711_enum[0]),
AC97_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 1),
AC97_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
AC97_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
AC97_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
AC97_ENUM("ALC NG Type", wm9711_enum[9]),
AC97_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),

AC97_SINGLE("Side Tone Switch", AC97_VIDEO, 15, 1, 1),
AC97_SINGLE("Side Tone Volume", AC97_VIDEO, 12, 7, 1),
AC97_ENUM("ALC Headphone Mux", wm9711_enum[1]),
AC97_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),

AC97_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
AC97_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 0),
AC97_ENUM("Out3 Mux", wm9711_enum[2]),
AC97_ENUM("Out3 LR Mux", wm9711_enum[3]),
AC97_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),

AC97_SINGLE("Beep to Headphone Switch", AC97_PC_BEEP, 15, 1, 1),
AC97_SINGLE("Beep to Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
AC97_SINGLE("Beep to Side Tone Switch", AC97_PC_BEEP, 11, 1, 1),
AC97_SINGLE("Beep to Side Tone Volume", AC97_PC_BEEP, 8, 7, 1),
AC97_SINGLE("Beep to Phone Switch", AC97_PC_BEEP, 7, 1, 1),
AC97_SINGLE("Beep to Phone Volume", AC97_PC_BEEP, 4, 7, 1),

AC97_SINGLE("Aux to Headphone Switch", AC97_CD, 15, 1, 1),
AC97_SINGLE("Aux to Headphone Volume", AC97_CD, 12, 7, 1),
AC97_SINGLE("Aux to Side Tone Switch", AC97_CD, 11, 1, 1),
AC97_SINGLE("Aux to Side Tone Volume", AC97_CD, 8, 7, 1),
AC97_SINGLE("Aux to Phone Switch", AC97_CD, 7, 1, 1),
AC97_SINGLE("Aux to Phone Volume", AC97_CD, 4, 7, 1),

AC97_SINGLE("Phone to Headphone Switch", AC97_PHONE, 15, 1, 1),
AC97_SINGLE("Phone to Master Switch", AC97_PHONE, 14, 1, 1),

AC97_SINGLE("Line to Headphone Switch", AC97_LINE, 15, 1, 1),
AC97_SINGLE("Line to Master Switch", AC97_LINE, 14, 1, 1),
AC97_SINGLE("Line to Phone Switch", AC97_LINE, 13, 1, 1),

AC97_SINGLE("PCM Playback to Headphone Switch", AC97_PCM, 15, 1, 1),
AC97_SINGLE("PCM Playback to Master Switch", AC97_PCM, 14, 1, 1),
AC97_SINGLE("PCM Playback to Phone Switch", AC97_PCM, 13, 1, 1),

AC97_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
AC97_ENUM("Capture to Phone Mux", wm9711_enum[4]),
AC97_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
AC97_ENUM("Capture Select", wm9711_enum[8]),

AC97_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
AC97_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),

AC97_ENUM("Bass Control", wm9711_enum[5]),
AC97_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
AC97_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
AC97_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),

AC97_SINGLE("ADC Switch", AC97_REC_GAIN, 15, 1, 1),
AC97_ENUM("Capture Volume Steps", wm9711_enum[6]),
AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
AC97_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),

AC97_SINGLE("Mic 1 to Phone Switch", AC97_MIC, 14, 1, 1),
AC97_SINGLE("Mic 2 to Phone Switch", AC97_MIC, 13, 1, 1),
AC97_ENUM("Mic Select Source", wm9711_enum[7]),
AC97_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
AC97_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
AC97_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),

AC97_SINGLE("Master ZC Switch", AC97_MASTER, 7, 1, 0),
AC97_SINGLE("Headphone ZC Switch", AC97_HEADPHONE, 7, 1, 0),
AC97_SINGLE("Mono ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
};

static int patch_wolfson_wm9711_specific(struct snd_ac97 * ac97)
{
	int err, i;
	
	for (i = 0; i < ARRAY_SIZE(wm9711_snd_ac97_controls); i++) {
		if ((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&wm9711_snd_ac97_controls[i], ac97))) < 0)
			return err;
	}
	snd_ac97_write_cache(ac97,  AC97_CODEC_CLASS_REV, 0x0808);
	snd_ac97_write_cache(ac97,  AC97_PCI_SVID, 0x0808);
	snd_ac97_write_cache(ac97,  AC97_VIDEO, 0x0808);
	snd_ac97_write_cache(ac97,  AC97_AUX, 0x0808);
	snd_ac97_write_cache(ac97,  AC97_PC_BEEP, 0x0808);
	snd_ac97_write_cache(ac97,  AC97_CD, 0x0000);
	return 0;
}

static struct snd_ac97_build_ops patch_wolfson_wm9711_ops = {
	.build_specific = patch_wolfson_wm9711_specific,
};

static int patch_wolfson11(struct snd_ac97 * ac97)
{
	/* WM9711, WM9712 */
	ac97->build_ops = &patch_wolfson_wm9711_ops;

	ac97->flags |= AC97_HAS_NO_REC_GAIN | AC97_STEREO_MUTES | AC97_HAS_NO_MIC |
		AC97_HAS_NO_PC_BEEP | AC97_HAS_NO_VIDEO | AC97_HAS_NO_CD;
	
	return 0;
}

static const char* wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
static const char* wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
static const char* wm9713_rec_src[] = 
	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone Mix", "Master Mix", 
	"Mono Mix", "Zh"};
static const char* wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
static const char* wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
static const char* wm9713_mono_pga[] = {"Vmid", "Zh", "Mono Mix", "Inv 1"};
static const char* wm9713_spk_pga[] = 
	{"Vmid", "Zh", "Headphone Mix", "Master Mix", "Inv", "NC", "NC", "NC"};
static const char* wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone Mix", "NC"};
static const char* wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "NC"};
static const char* wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "NC"};
static const char* wm9713_dac_inv[] = 
	{"Off", "Mono Mix", "Master Mix", "Headphone Mix L", "Headphone Mix R", 
	"Headphone Mix Mono", "NC", "Vmid"};
static const char* wm9713_base[] = {"Linear Control", "Adaptive Boost"};
static const char* wm9713_ng_type[] = {"Constant Gain", "Mute"};

static const struct ac97_enum wm9713_enum[] = {
AC97_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer),
AC97_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux),
AC97_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),
AC97_ENUM_DOUBLE(AC97_VIDEO, 3, 0, 8, wm9713_rec_src),
AC97_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain),
AC97_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select),
AC97_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga),
AC97_ENUM_DOUBLE(AC97_REC_GAIN, 11, 8, 8, wm9713_spk_pga),
AC97_ENUM_DOUBLE(AC97_REC_GAIN, 6, 4, 4, wm9713_hp_pga),
AC97_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga),
AC97_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga),
AC97_ENUM_DOUBLE(AC97_REC_GAIN_MIC, 13, 10, 8, wm9713_dac_inv),
AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_base),
AC97_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type),
};

static const struct snd_kcontrol_new wm13_snd_ac97_controls[] = {
AC97_DOUBLE("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1),
AC97_SINGLE("Line In to Headphone Switch", AC97_PC_BEEP, 15, 1, 1),
AC97_SINGLE("Line In to Master Switch", AC97_PC_BEEP, 14, 1, 1),
AC97_SINGLE("Line In to Mono Switch", AC97_PC_BEEP, 13, 1, 1),

AC97_DOUBLE("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1),
AC97_SINGLE("PCM Playback to Headphone Switch", AC97_PHONE, 15, 1, 1),
AC97_SINGLE("PCM Playback to Master Switch", AC97_PHONE, 14, 1, 1),
AC97_SINGLE("PCM Playback to Mono Switch", AC97_PHONE, 13, 1, 1),

AC97_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
AC97_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
AC97_SINGLE("Mic 1 to Mono Switch", AC97_LINE, 7, 1, 1),
AC97_SINGLE("Mic 2 to Mono Switch", AC97_LINE, 6, 1, 1),
AC97_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
AC97_ENUM("Mic to Headphone Mux", wm9713_enum[0]),
AC97_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),

AC97_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
AC97_ENUM("Capture Volume Steps", wm9713_enum[4]),
AC97_DOUBLE("Capture Volume", AC97_CD, 8, 0, 15, 0),
AC97_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),

AC97_ENUM("Capture to Headphone Mux", wm9713_enum[1]),
AC97_SINGLE("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1),
AC97_ENUM("Capture to Mono Mux", wm9713_enum[2]),
AC97_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
AC97_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
AC97_ENUM("Capture Select", wm9713_enum[3]),

AC97_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
AC97_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
AC97_SINGLE("ALC Decay Time ", AC97_CODEC_CLASS_REV, 4, 15, 0),
AC97_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
AC97_ENUM("ALC Function", wm9713_enum[5]),
AC97_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
AC97_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
AC97_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
AC97_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
AC97_ENUM("ALC NG Type", wm9713_enum[13]),
AC97_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),

AC97_DOUBLE("Master ZC Switch", AC97_MASTER, 14, 6, 1, 0),
AC97_DOUBLE("Headphone ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
AC97_DOUBLE("Out3/4 ZC Switch", AC97_MASTER_MONO, 14, 6, 1, 0),
AC97_SINGLE("Master Right Switch", AC97_MASTER, 7, 1, 1),
AC97_SINGLE("Headphone Right Switch", AC97_HEADPHONE, 7, 1, 1),
AC97_SINGLE("Out3/4 Right Switch", AC97_MASTER_MONO, 7, 1, 1),

AC97_SINGLE("Mono In to Headphone Switch", AC97_MASTER_TONE, 15, 1, 1),
AC97_SINGLE("Mono In to Master Switch", AC97_MASTER_TONE, 14, 1, 1),
AC97_SINGLE("Mono In Volume", AC97_MASTER_TONE, 8, 31, 1),
AC97_SINGLE("Mono Switch", AC97_MASTER_TONE, 7, 1, 1),
AC97_SINGLE("Mono ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
AC97_SINGLE("Mono Volume", AC97_MASTER_TONE, 0, 31, 1),

AC97_SINGLE("PC Beep to Headphone Switch", AC97_AUX, 15, 1, 1),
AC97_SINGLE("PC Beep to Headphone Volume", AC97_AUX, 12, 7, 1),
AC97_SINGLE("PC Beep to Master Switch", AC97_AUX, 11, 1, 1),
AC97_SINGLE("PC Beep to Master Volume", AC97_AUX, 8, 7, 1),
AC97_SINGLE("PC Beep to Mono Switch", AC97_AUX, 7, 1, 1),
AC97_SINGLE("PC Beep to Mono Volume", AC97_AUX, 4, 7, 1),

AC97_SINGLE("Voice to Headphone Switch", AC97_PCM, 15, 1, 1),
AC97_SINGLE("Voice to Headphone Volume", AC97_PCM, 12, 7, 1),
AC97_SINGLE("Voice to Master Switch", AC97_PCM, 11, 1, 1),
AC97_SINGLE("Voice to Master Volume", AC97_PCM, 8, 7, 1),
AC97_SINGLE("Voice to Mono Switch", AC97_PCM, 7, 1, 1),
AC97_SINGLE("Voice to Mono Volume", AC97_PCM, 4, 7, 1),

AC97_SINGLE("Aux to Headphone Switch", AC97_REC_SEL, 15, 1, 1),
AC97_SINGLE("Aux to Headphone Volume", AC97_REC_SEL, 12, 7, 1),
AC97_SINGLE("Aux to Master Switch", AC97_REC_SEL, 11, 1, 1),
AC97_SINGLE("Aux to Master Volume", AC97_REC_SEL, 8, 7, 1),
AC97_SINGLE("Aux to Mono Switch", AC97_REC_SEL, 7, 1, 1),
AC97_SINGLE("Aux to Mono Volume", AC97_REC_SEL, 4, 7, 1),

AC97_ENUM("Mono Input Mux", wm9713_enum[6]),
AC97_ENUM("Master Input Mux", wm9713_enum[7]),
AC97_ENUM("Headphone Input Mux", wm9713_enum[8]),
AC97_ENUM("Out 3 Input Mux", wm9713_enum[9]),
AC97_ENUM("Out 4 Input Mux", wm9713_enum[10]),

AC97_ENUM("Bass Control", wm9713_enum[12]),
AC97_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
AC97_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
AC97_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
AC97_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
AC97_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
};

static const struct snd_kcontrol_new wm13_snd_ac97_controls_3d[] = {
AC97_ENUM("Inv Input Mux", wm9713_enum[11]),
AC97_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
AC97_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
AC97_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
};

static int patch_wolfson_wm9713_3d (struct snd_ac97 * ac97)
{
	int err, i;
    
	for (i = 0; i < ARRAY_SIZE(wm13_snd_ac97_controls_3d); i++) {
		if ((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&wm13_snd_ac97_controls_3d[i], ac97))) < 0)
			return err;
	}
	return 0;
}

static int patch_wolfson_wm9713_specific(struct snd_ac97 * ac97)
{
	int err, i;
	
	for (i = 0; i < ARRAY_SIZE(wm13_snd_ac97_controls); i++) {
		if ((err = snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&wm13_snd_ac97_controls[i], ac97))) < 0)
			return err;
	}
	snd_ac97_write_cache(ac97, AC97_PC_BEEP, 0x0808);
	snd_ac97_write_cache(ac97, AC97_PHONE, 0x0808);
	snd_ac97_write_cache(ac97, AC97_MIC, 0x0808);
	snd_ac97_write_cache(ac97, AC97_LINE, 0x00da);
	snd_ac97_write_cache(ac97, AC97_CD, 0x0808);
	snd_ac97_write_cache(ac97, AC97_VIDEO, 0xd612);
	snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x1ba0);
	return 0;
}

#ifdef CONFIG_PM
static void patch_wolfson_wm9713_suspend (struct snd_ac97 * ac97)
{
	snd_ac97_write_cache(ac97, AC97_EXTENDED_MID, 0xfeff);
	snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xffff);
}

static void patch_wolfson_wm9713_resume (struct snd_ac97 * ac97)
{
	snd_ac97_write_cache(ac97, AC97_EXTENDED_MID, 0xda00);
	snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0x3810);
	snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0x0);
}
#endif

static struct snd_ac97_build_ops patch_wolfson_wm9713_ops = {
	.build_specific = patch_wolfson_wm9713_specific,
	.build_3d = patch_wolfson_wm9713_3d,
#ifdef CONFIG_PM	
	.suspend = patch_wolfson_wm9713_suspend,
	.resume = patch_wolfson_wm9713_resume
#endif
};

static int patch_wolfson13(struct snd_ac97 * ac97)
{
	/* WM9713, WM9714 */
	ac97->build_ops = &patch_wolfson_wm9713_ops;

	ac97->flags |= AC97_HAS_NO_REC_GAIN | AC97_STEREO_MUTES | AC97_HAS_NO_PHONE |
		AC97_HAS_NO_PC_BEEP | AC97_HAS_NO_VIDEO | AC97_HAS_NO_CD | AC97_HAS_NO_TONE |
		AC97_HAS_NO_STD_PCM;
    	ac97->scaps &= ~AC97_SCAP_MODEM;

	snd_ac97_write_cache(ac97, AC97_EXTENDED_MID, 0xda00);
	snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0x3810);
	snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0x0);

	return 0;
}

/*
 * Tritech codec
 */
static int patch_tritech_tr28028(struct snd_ac97 * ac97)
{
	snd_ac97_write_cache(ac97, 0x26, 0x0300);
	snd_ac97_write_cache(ac97, 0x26, 0x0000);
	snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x0000);
	snd_ac97_write_cache(ac97, AC97_SPDIF, 0x0000);
	return 0;
}

/*
 * Sigmatel STAC97xx codecs
 */
static int patch_sigmatel_stac9700_3d(struct snd_ac97 * ac97)
{
	struct snd_kcontrol *kctl;
	int err;

	if ((err = snd_ctl_add(ac97->bus->card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
		return err;
	strcpy(kctl->id.name, "3D Control Sigmatel - Depth");
	kctl->private_value = AC97_SINGLE_VALUE(AC97_3D_CONTROL, 2, 3, 0);
	snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
	return 0;
}

static int patch_sigmatel_stac9708_3d(struct snd_ac97 * ac97)
{
	struct snd_kcontrol *kctl;
	int err;

	if ((err = snd_ctl_add(ac97->bus->card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
		return err;
	strcpy(kctl->id.name, "3D Control Sigmatel - Depth");
	kctl->private_value = AC97_SINGLE_VALUE(AC97_3D_CONTROL, 0, 3, 0);
	if ((err = snd_ctl_add(ac97->bus->card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
		return err;
	strcpy(kctl->id.name, "3D Control Sigmatel - Rear Depth");
	kctl->private_value = AC97_SINGLE_VALUE(AC97_3D_CONTROL, 2, 3, 0);
	snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
	return 0;
}

static const struct snd_kcontrol_new snd_ac97_sigmatel_4speaker =
AC97_SINGLE("Sigmatel 4-Speaker Stereo Playback Switch", AC97_SIGMATEL_DAC2INVERT, 2, 1, 0);

static const struct snd_kcontrol_new snd_ac97_sigmatel_phaseinvert =
AC97_SINGLE("Sigmatel Surround Phase Inversion Playback Switch", AC97_SIGMATEL_DAC2INVERT, 3, 1, 0);

static const struct snd_kcontrol_new snd_ac97_sigmatel_controls[] = {
AC97_SINGLE("Sigmatel DAC 6dB Attenuate", AC97_SIGMATEL_ANALOG, 1, 1, 0),
AC97_SINGLE("Sigmatel ADC 6dB Attenuate", AC97_SIGMATEL_ANALOG, 0, 1, 0)
};

static int patch_sigmatel_stac97xx_specific(struct snd_ac97 * ac97)
{
	int err;

	snd_ac97_write_cache(ac97, AC97_SIGMATEL_ANALOG, snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG) & ~0x0003);
	if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_ANALOG, 1))
		if ((err = patch_build_controls(ac97, &snd_ac97_sigmatel_controls[0], 1)) < 0)
			return err;
	if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_ANALOG, 0))
		if ((err = patch_build_controls(ac97, &snd_ac97_sigmatel_controls[1], 1)) < 0)
			return err;
	if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_DAC2INVERT, 2))
		if ((err = patch_build_controls(ac97, &snd_ac97_sigmatel_4speaker, 1)) < 0)
			return err;
	if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_DAC2INVERT, 3))
		if ((err = patch_build_controls(ac97, &snd_ac97_sigmatel_phaseinvert, 1)) < 0)
			return err;
	return 0;
}

static struct snd_ac97_build_ops patch_sigmatel_stac9700_ops = {
	.build_3d	= patch_sigmatel_stac9700_3d,
	.build_specific	= patch_sigmatel_stac97xx_specific
};

static int patch_sigmatel_stac9700(struct snd_ac97 * ac97)
{
	ac97->build_ops = &patch_sigmatel_stac9700_ops;
	return 0;
}

static int snd_ac97_stac9708_put_bias(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	int err;

	mutex_lock(&ac97->page_mutex);
	snd_ac97_write(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
	err = snd_ac97_update_bits(ac97, AC97_SIGMATEL_BIAS2, 0x0010,
				   (ucontrol->value.integer.value[0] & 1) << 4);
	snd_ac97_write(ac97, AC97_SIGMATEL_BIAS1, 0);
	mutex_unlock(&ac97->page_mutex);
	return err;
}

static const struct snd_kcontrol_new snd_ac97_stac9708_bias_control = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Sigmatel Output Bias Switch",
	.info = snd_ac97_info_volsw,
	.get = snd_ac97_get_volsw,
	.put = snd_ac97_stac9708_put_bias,
	.private_value = AC97_SINGLE_VALUE(AC97_SIGMATEL_BIAS2, 4, 1, 0),
};

static int patch_sigmatel_stac9708_specific(struct snd_ac97 *ac97)
{
	int err;

	/* the register bit is writable, but the function is not implemented: */
	snd_ac97_remove_ctl(ac97, "PCM Out Path & Mute", NULL);

	snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Sigmatel Surround Playback");
	if ((err = patch_build_controls(ac97, &snd_ac97_stac9708_bias_control, 1)) < 0)
		return err;
	return patch_sigmatel_stac97xx_specific(ac97);
}

static struct snd_ac97_build_ops patch_sigmatel_stac9708_ops = {
	.build_3d	= patch_sigmatel_stac9708_3d,
	.build_specific	= patch_sigmatel_stac9708_specific
};

static int patch_sigmatel_stac9708(struct snd_ac97 * ac97)
{
	unsigned int codec72, codec6c;

	ac97->build_ops = &patch_sigmatel_stac9708_ops;
	ac97->caps |= 0x10;	/* HP (sigmatel surround) support */

	codec72 = snd_ac97_read(ac97, AC97_SIGMATEL_BIAS2) & 0x8000;
	codec6c = snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG);

	if ((codec72==0) && (codec6c==0)) {
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x1000);
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0007);
	} else if ((codec72==0x8000) && (codec6c==0)) {
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x1001);
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_DAC2INVERT, 0x0008);
	} else if ((codec72==0x8000) && (codec6c==0x0080)) {
		/* nothing */
	}
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
	return 0;
}

static int patch_sigmatel_stac9721(struct snd_ac97 * ac97)
{
	ac97->build_ops = &patch_sigmatel_stac9700_ops;
	if (snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG) == 0) {
		// patch for SigmaTel
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x4000);
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
	}
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
	return 0;
}

static int patch_sigmatel_stac9744(struct snd_ac97 * ac97)
{
	// patch for SigmaTel
	ac97->build_ops = &patch_sigmatel_stac9700_ops;
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x0000);	/* is this correct? --jk */
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
	return 0;
}

static int patch_sigmatel_stac9756(struct snd_ac97 * ac97)
{
	// patch for SigmaTel
	ac97->build_ops = &patch_sigmatel_stac9700_ops;
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x0000);	/* is this correct? --jk */
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
	return 0;
}

static int snd_ac97_stac9758_output_jack_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[5] = { "Input/Disabled", "Front Output",
		"Rear Output", "Center/LFE Output", "Mixer Output" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 5;
	if (uinfo->value.enumerated.item > 4)
		uinfo->value.enumerated.item = 4;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_stac9758_output_jack_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	int shift = kcontrol->private_value;
	unsigned short val;

	val = ac97->regs[AC97_SIGMATEL_OUTSEL] >> shift;
	if (!(val & 4))
		ucontrol->value.enumerated.item[0] = 0;
	else
		ucontrol->value.enumerated.item[0] = 1 + (val & 3);
	return 0;
}

static int snd_ac97_stac9758_output_jack_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	int shift = kcontrol->private_value;
	unsigned short val;

	if (ucontrol->value.enumerated.item[0] > 4)
		return -EINVAL;
	if (ucontrol->value.enumerated.item[0] == 0)
		val = 0;
	else
		val = 4 | (ucontrol->value.enumerated.item[0] - 1);
	return ac97_update_bits_page(ac97, AC97_SIGMATEL_OUTSEL,
				     7 << shift, val << shift, 0);
}

static int snd_ac97_stac9758_input_jack_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[7] = { "Mic2 Jack", "Mic1 Jack", "Line In Jack",
		"Front Jack", "Rear Jack", "Center/LFE Jack", "Mute" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 7;
	if (uinfo->value.enumerated.item > 6)
		uinfo->value.enumerated.item = 6;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_stac9758_input_jack_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	int shift = kcontrol->private_value;
	unsigned short val;

	val = ac97->regs[AC97_SIGMATEL_INSEL];
	ucontrol->value.enumerated.item[0] = (val >> shift) & 7;
	return 0;
}

static int snd_ac97_stac9758_input_jack_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	int shift = kcontrol->private_value;

	return ac97_update_bits_page(ac97, AC97_SIGMATEL_INSEL, 7 << shift,
				     ucontrol->value.enumerated.item[0] << shift, 0);
}

static int snd_ac97_stac9758_phonesel_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[3] = { "None", "Front Jack", "Rear Jack" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 3;
	if (uinfo->value.enumerated.item > 2)
		uinfo->value.enumerated.item = 2;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_stac9758_phonesel_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	ucontrol->value.enumerated.item[0] = ac97->regs[AC97_SIGMATEL_IOMISC] & 3;
	return 0;
}

static int snd_ac97_stac9758_phonesel_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	return ac97_update_bits_page(ac97, AC97_SIGMATEL_IOMISC, 3,
				     ucontrol->value.enumerated.item[0], 0);
}

#define STAC9758_OUTPUT_JACK(xname, shift) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_ac97_stac9758_output_jack_info, \
	.get = snd_ac97_stac9758_output_jack_get, \
	.put = snd_ac97_stac9758_output_jack_put, \
	.private_value = shift }
#define STAC9758_INPUT_JACK(xname, shift) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_ac97_stac9758_input_jack_info, \
	.get = snd_ac97_stac9758_input_jack_get, \
	.put = snd_ac97_stac9758_input_jack_put, \
	.private_value = shift }
static const struct snd_kcontrol_new snd_ac97_sigmatel_stac9758_controls[] = {
	STAC9758_OUTPUT_JACK("Mic1 Jack", 1),
	STAC9758_OUTPUT_JACK("LineIn Jack", 4),
	STAC9758_OUTPUT_JACK("Front Jack", 7),
	STAC9758_OUTPUT_JACK("Rear Jack", 10),
	STAC9758_OUTPUT_JACK("Center/LFE Jack", 13),
	STAC9758_INPUT_JACK("Mic Input Source", 0),
	STAC9758_INPUT_JACK("Line Input Source", 8),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Headphone Amp",
		.info = snd_ac97_stac9758_phonesel_info,
		.get = snd_ac97_stac9758_phonesel_get,
		.put = snd_ac97_stac9758_phonesel_put
	},
	AC97_SINGLE("Exchange Center/LFE", AC97_SIGMATEL_IOMISC, 4, 1, 0),
	AC97_SINGLE("Headphone +3dB Boost", AC97_SIGMATEL_IOMISC, 8, 1, 0)
};

static int patch_sigmatel_stac9758_specific(struct snd_ac97 *ac97)
{
	int err;

	err = patch_sigmatel_stac97xx_specific(ac97);
	if (err < 0)
		return err;
	err = patch_build_controls(ac97, snd_ac97_sigmatel_stac9758_controls,
				   ARRAY_SIZE(snd_ac97_sigmatel_stac9758_controls));
	if (err < 0)
		return err;
	/* DAC-A direct */
	snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Front Playback");
	/* DAC-A to Mix = PCM */
	/* DAC-B direct = Surround */
	/* DAC-B to Mix */
	snd_ac97_rename_vol_ctl(ac97, "Video Playback", "Surround Mix Playback");
	/* DAC-C direct = Center/LFE */

	return 0;
}

static struct snd_ac97_build_ops patch_sigmatel_stac9758_ops = {
	.build_3d	= patch_sigmatel_stac9700_3d,
	.build_specific	= patch_sigmatel_stac9758_specific
};

static int patch_sigmatel_stac9758(struct snd_ac97 * ac97)
{
	static unsigned short regs[4] = {
		AC97_SIGMATEL_OUTSEL,
		AC97_SIGMATEL_IOMISC,
		AC97_SIGMATEL_INSEL,
		AC97_SIGMATEL_VARIOUS
	};
	static unsigned short def_regs[4] = {
		/* OUTSEL */ 0xd794, /* CL:CL, SR:SR, LO:MX, LI:DS, MI:DS */
		/* IOMISC */ 0x2001,
		/* INSEL */ 0x0201, /* LI:LI, MI:M1 */
		/* VARIOUS */ 0x0040
	};
	static unsigned short m675_regs[4] = {
		/* OUTSEL */ 0xfc70, /* CL:MX, SR:MX, LO:DS, LI:MX, MI:DS */
		/* IOMISC */ 0x2102, /* HP amp on */
		/* INSEL */ 0x0203, /* LI:LI, MI:FR */
		/* VARIOUS */ 0x0041 /* stereo mic */
	};
	unsigned short *pregs = def_regs;
	int i;

	/* Gateway M675 notebook */
	if (ac97->pci && 
	    ac97->subsystem_vendor == 0x107b &&
	    ac97->subsystem_device == 0x0601)
	    	pregs = m675_regs;

	// patch for SigmaTel
	ac97->build_ops = &patch_sigmatel_stac9758_ops;
	/* FIXME: assume only page 0 for writing cache */
	snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, AC97_PAGE_VENDOR);
	for (i = 0; i < 4; i++)
		snd_ac97_write_cache(ac97, regs[i], pregs[i]);

	ac97->flags |= AC97_STEREO_MUTES;
	return 0;
}

/*
 * Cirrus Logic CS42xx codecs
 */
static const struct snd_kcontrol_new snd_ac97_cirrus_controls_spdif[2] = {
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), AC97_CSR_SPDIF, 15, 1, 0),
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", AC97_CSR_ACMODE, 0, 3, 0)
};

static int patch_cirrus_build_spdif(struct snd_ac97 * ac97)
{
	int err;

	/* con mask, pro mask, default */
	if ((err = patch_build_controls(ac97, &snd_ac97_controls_spdif[0], 3)) < 0)
		return err;
	/* switch, spsa */
	if ((err = patch_build_controls(ac97, &snd_ac97_cirrus_controls_spdif[0], 1)) < 0)
		return err;
	switch (ac97->id & AC97_ID_CS_MASK) {
	case AC97_ID_CS4205:
		if ((err = patch_build_controls(ac97, &snd_ac97_cirrus_controls_spdif[1], 1)) < 0)
			return err;
		break;
	}
	/* set default PCM S/PDIF params */
	/* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
	snd_ac97_write_cache(ac97, AC97_CSR_SPDIF, 0x0a20);
	return 0;
}

static struct snd_ac97_build_ops patch_cirrus_ops = {
	.build_spdif = patch_cirrus_build_spdif
};

static int patch_cirrus_spdif(struct snd_ac97 * ac97)
{
	/* Basically, the cs4201/cs4205/cs4297a has non-standard sp/dif registers.
	   WHY CAN'T ANYONE FOLLOW THE BLOODY SPEC?  *sigh*
	   - sp/dif EA ID is not set, but sp/dif is always present.
	   - enable/disable is spdif register bit 15.
	   - sp/dif control register is 0x68.  differs from AC97:
	   - valid is bit 14 (vs 15)
	   - no DRS
	   - only 44.1/48k [00 = 48, 01=44,1] (AC97 is 00=44.1, 10=48)
	   - sp/dif ssource select is in 0x5e bits 0,1.
	*/

	ac97->build_ops = &patch_cirrus_ops;
	ac97->flags |= AC97_CS_SPDIF; 
	ac97->rates[AC97_RATES_SPDIF] &= ~SNDRV_PCM_RATE_32000;
        ac97->ext_id |= AC97_EI_SPDIF;	/* force the detection of spdif */
	snd_ac97_write_cache(ac97, AC97_CSR_ACMODE, 0x0080);
	return 0;
}

static int patch_cirrus_cs4299(struct snd_ac97 * ac97)
{
	/* force the detection of PC Beep */
	ac97->flags |= AC97_HAS_PC_BEEP;
	
	return patch_cirrus_spdif(ac97);
}

/*
 * Conexant codecs
 */
static const struct snd_kcontrol_new snd_ac97_conexant_controls_spdif[1] = {
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), AC97_CXR_AUDIO_MISC, 3, 1, 0),
};

static int patch_conexant_build_spdif(struct snd_ac97 * ac97)
{
	int err;

	/* con mask, pro mask, default */
	if ((err = patch_build_controls(ac97, &snd_ac97_controls_spdif[0], 3)) < 0)
		return err;
	/* switch */
	if ((err = patch_build_controls(ac97, &snd_ac97_conexant_controls_spdif[0], 1)) < 0)
		return err;
	/* set default PCM S/PDIF params */
	/* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
	snd_ac97_write_cache(ac97, AC97_CXR_AUDIO_MISC,
			     snd_ac97_read(ac97, AC97_CXR_AUDIO_MISC) & ~(AC97_CXR_SPDIFEN|AC97_CXR_COPYRGT|AC97_CXR_SPDIF_MASK));
	return 0;
}

static struct snd_ac97_build_ops patch_conexant_ops = {
	.build_spdif = patch_conexant_build_spdif
};

static int patch_conexant(struct snd_ac97 * ac97)
{
	ac97->build_ops = &patch_conexant_ops;
	ac97->flags |= AC97_CX_SPDIF;
        ac97->ext_id |= AC97_EI_SPDIF;	/* force the detection of spdif */
	ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000; /* 48k only */
	return 0;
}

static int patch_cx20551(struct snd_ac97 *ac97)
{
	snd_ac97_update_bits(ac97, 0x5c, 0x01, 0x01);
	return 0;
}

/*
 * Analog Device AD18xx, AD19xx codecs
 */
#ifdef CONFIG_PM
static void ad18xx_resume(struct snd_ac97 *ac97)
{
	static unsigned short setup_regs[] = {
		AC97_AD_MISC, AC97_AD_SERIAL_CFG, AC97_AD_JACK_SPDIF,
	};
	int i, codec;

	for (i = 0; i < (int)ARRAY_SIZE(setup_regs); i++) {
		unsigned short reg = setup_regs[i];
		if (test_bit(reg, ac97->reg_accessed)) {
			snd_ac97_write(ac97, reg, ac97->regs[reg]);
			snd_ac97_read(ac97, reg);
		}
	}

	if (! (ac97->flags & AC97_AD_MULTI))
		/* normal restore */
		snd_ac97_restore_status(ac97);
	else {
		/* restore the AD18xx codec configurations */
		for (codec = 0; codec < 3; codec++) {
			if (! ac97->spec.ad18xx.id[codec])
				continue;
			/* select single codec */
			snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
					     ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
			ac97->bus->ops->write(ac97, AC97_AD_CODEC_CFG, ac97->spec.ad18xx.codec_cfg[codec]);
		}
		/* select all codecs */
		snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);

		/* restore status */
		for (i = 2; i < 0x7c ; i += 2) {
			if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
				continue;
			if (test_bit(i, ac97->reg_accessed)) {
				/* handle multi codecs for AD18xx */
				if (i == AC97_PCM) {
					for (codec = 0; codec < 3; codec++) {
						if (! ac97->spec.ad18xx.id[codec])
							continue;
						/* select single codec */
						snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
								     ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
						/* update PCM bits */
						ac97->bus->ops->write(ac97, AC97_PCM, ac97->spec.ad18xx.pcmreg[codec]);
					}
					/* select all codecs */
					snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
					continue;
				} else if (i == AC97_AD_TEST ||
					   i == AC97_AD_CODEC_CFG ||
					   i == AC97_AD_SERIAL_CFG)
					continue; /* ignore */
			}
			snd_ac97_write(ac97, i, ac97->regs[i]);
			snd_ac97_read(ac97, i);
		}
	}

	snd_ac97_restore_iec958(ac97);
}

static void ad1888_resume(struct snd_ac97 *ac97)
{
	ad18xx_resume(ac97);
	snd_ac97_write_cache(ac97, AC97_CODEC_CLASS_REV, 0x8080);
}

#endif

static const struct snd_ac97_res_table ad1819_restbl[] = {
	{ AC97_PHONE, 0x9f1f },
	{ AC97_MIC, 0x9f1f },
	{ AC97_LINE, 0x9f1f },
	{ AC97_CD, 0x9f1f },
	{ AC97_VIDEO, 0x9f1f },
	{ AC97_AUX, 0x9f1f },
	{ AC97_PCM, 0x9f1f },
	{ } /* terminator */
};

static int patch_ad1819(struct snd_ac97 * ac97)
{
	unsigned short scfg;

	// patch for Analog Devices
	scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x7000); /* select all codecs */
	ac97->res_table = ad1819_restbl;
	return 0;
}

static unsigned short patch_ad1881_unchained(struct snd_ac97 * ac97, int idx, unsigned short mask)
{
	unsigned short val;

	// test for unchained codec
	snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, mask);
	snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0000);	/* ID0C, ID1C, SDIE = off */
	val = snd_ac97_read(ac97, AC97_VENDOR_ID2);
	if ((val & 0xff40) != 0x5340)
		return 0;
	ac97->spec.ad18xx.unchained[idx] = mask;
	ac97->spec.ad18xx.id[idx] = val;
	ac97->spec.ad18xx.codec_cfg[idx] = 0x0000;
	return mask;
}

static int patch_ad1881_chained1(struct snd_ac97 * ac97, int idx, unsigned short codec_bits)
{
	static int cfg_bits[3] = { 1<<12, 1<<14, 1<<13 };
	unsigned short val;
	
	snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, cfg_bits[idx]);
	snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0004);	// SDIE
	val = snd_ac97_read(ac97, AC97_VENDOR_ID2);
	if ((val & 0xff40) != 0x5340)
		return 0;
	if (codec_bits)
		snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, codec_bits);
	ac97->spec.ad18xx.chained[idx] = cfg_bits[idx];
	ac97->spec.ad18xx.id[idx] = val;
	ac97->spec.ad18xx.codec_cfg[idx] = codec_bits ? codec_bits : 0x0004;
	return 1;
}

static void patch_ad1881_chained(struct snd_ac97 * ac97, int unchained_idx, int cidx1, int cidx2)
{
	// already detected?
	if (ac97->spec.ad18xx.unchained[cidx1] || ac97->spec.ad18xx.chained[cidx1])
		cidx1 = -1;
	if (ac97->spec.ad18xx.unchained[cidx2] || ac97->spec.ad18xx.chained[cidx2])
		cidx2 = -1;
	if (cidx1 < 0 && cidx2 < 0)
		return;
	// test for chained codecs
	snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
			     ac97->spec.ad18xx.unchained[unchained_idx]);
	snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0002);		// ID1C
	ac97->spec.ad18xx.codec_cfg[unchained_idx] = 0x0002;
	if (cidx1 >= 0) {
		if (cidx2 < 0)
			patch_ad1881_chained1(ac97, cidx1, 0);
		else if (patch_ad1881_chained1(ac97, cidx1, 0x0006))	// SDIE | ID1C
			patch_ad1881_chained1(ac97, cidx2, 0);
		else if (patch_ad1881_chained1(ac97, cidx2, 0x0006))	// SDIE | ID1C
			patch_ad1881_chained1(ac97, cidx1, 0);
	} else if (cidx2 >= 0) {
		patch_ad1881_chained1(ac97, cidx2, 0);
	}
}

static struct snd_ac97_build_ops patch_ad1881_build_ops = {
#ifdef CONFIG_PM
	.resume = ad18xx_resume
#endif
};

static int patch_ad1881(struct snd_ac97 * ac97)
{
	static const char cfg_idxs[3][2] = {
		{2, 1},
		{0, 2},
		{0, 1}
	};
	
	// patch for Analog Devices
	unsigned short codecs[3];
	unsigned short val;
	int idx, num;

	val = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, val);
	codecs[0] = patch_ad1881_unchained(ac97, 0, (1<<12));
	codecs[1] = patch_ad1881_unchained(ac97, 1, (1<<14));
	codecs[2] = patch_ad1881_unchained(ac97, 2, (1<<13));

	if (! (codecs[0] || codecs[1] || codecs[2]))
		goto __end;

	for (idx = 0; idx < 3; idx++)
		if (ac97->spec.ad18xx.unchained[idx])
			patch_ad1881_chained(ac97, idx, cfg_idxs[idx][0], cfg_idxs[idx][1]);

	if (ac97->spec.ad18xx.id[1]) {
		ac97->flags |= AC97_AD_MULTI;
		ac97->scaps |= AC97_SCAP_SURROUND_DAC;
	}
	if (ac97->spec.ad18xx.id[2]) {
		ac97->flags |= AC97_AD_MULTI;
		ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
	}

      __end:
	/* select all codecs */
	snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
	/* check if only one codec is present */
	for (idx = num = 0; idx < 3; idx++)
		if (ac97->spec.ad18xx.id[idx])
			num++;
	if (num == 1) {
		/* ok, deselect all ID bits */
		snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0000);
		ac97->spec.ad18xx.codec_cfg[0] = 
			ac97->spec.ad18xx.codec_cfg[1] = 
			ac97->spec.ad18xx.codec_cfg[2] = 0x0000;
	}
	/* required for AD1886/AD1885 combination */
	ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
	if (ac97->spec.ad18xx.id[0]) {
		ac97->id &= 0xffff0000;
		ac97->id |= ac97->spec.ad18xx.id[0];
	}
	ac97->build_ops = &patch_ad1881_build_ops;
	return 0;
}

static const struct snd_kcontrol_new snd_ac97_controls_ad1885[] = {
	AC97_SINGLE("Digital Mono Direct", AC97_AD_MISC, 11, 1, 0),
	/* AC97_SINGLE("Digital Audio Mode", AC97_AD_MISC, 12, 1, 0), */ /* seems problematic */
	AC97_SINGLE("Low Power Mixer", AC97_AD_MISC, 14, 1, 0),
	AC97_SINGLE("Zero Fill DAC", AC97_AD_MISC, 15, 1, 0),
	AC97_SINGLE("Headphone Jack Sense", AC97_AD_JACK_SPDIF, 9, 1, 1), /* inverted */
	AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 8, 1, 1), /* inverted */
};

static const DECLARE_TLV_DB_SCALE(db_scale_6bit_6db_max, -8850, 150, 0);

static int patch_ad1885_specific(struct snd_ac97 * ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, snd_ac97_controls_ad1885, ARRAY_SIZE(snd_ac97_controls_ad1885))) < 0)
		return err;
	reset_tlv(ac97, "Headphone Playback Volume",
		  db_scale_6bit_6db_max);
	return 0;
}

static struct snd_ac97_build_ops patch_ad1885_build_ops = {
	.build_specific = &patch_ad1885_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume
#endif
};

static int patch_ad1885(struct snd_ac97 * ac97)
{
	patch_ad1881(ac97);
	/* This is required to deal with the Intel D815EEAL2 */
	/* i.e. Line out is actually headphone out from codec */

	/* set default */
	snd_ac97_write_cache(ac97, AC97_AD_MISC, 0x0404);

	ac97->build_ops = &patch_ad1885_build_ops;
	return 0;
}

static int patch_ad1886_specific(struct snd_ac97 * ac97)
{
	reset_tlv(ac97, "Headphone Playback Volume",
		  db_scale_6bit_6db_max);
	return 0;
}

static struct snd_ac97_build_ops patch_ad1886_build_ops = {
	.build_specific = &patch_ad1886_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume
#endif
};

static int patch_ad1886(struct snd_ac97 * ac97)
{
	patch_ad1881(ac97);
	/* Presario700 workaround */
	/* for Jack Sense/SPDIF Register misetting causing */
	snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, 0x0010);
	ac97->build_ops = &patch_ad1886_build_ops;
	return 0;
}

/* MISC bits (AD1888/AD1980/AD1985 register 0x76) */
#define AC97_AD198X_MBC		0x0003	/* mic boost */
#define AC97_AD198X_MBC_20	0x0000	/* +20dB */
#define AC97_AD198X_MBC_10	0x0001	/* +10dB */
#define AC97_AD198X_MBC_30	0x0002	/* +30dB */
#define AC97_AD198X_VREFD	0x0004	/* VREF high-Z */
#define AC97_AD198X_VREFH	0x0008	/* 0=2.25V, 1=3.7V */
#define AC97_AD198X_VREF_0	0x000c	/* 0V (AD1985 only) */
#define AC97_AD198X_VREF_MASK	(AC97_AD198X_VREFH | AC97_AD198X_VREFD)
#define AC97_AD198X_VREF_SHIFT	2
#define AC97_AD198X_SRU		0x0010	/* sample rate unlock */
#define AC97_AD198X_LOSEL	0x0020	/* LINE_OUT amplifiers input select */
#define AC97_AD198X_2MIC	0x0040	/* 2-channel mic select */
#define AC97_AD198X_SPRD	0x0080	/* SPREAD enable */
#define AC97_AD198X_DMIX0	0x0100	/* downmix mode: */
					/*  0 = 6-to-4, 1 = 6-to-2 downmix */
#define AC97_AD198X_DMIX1	0x0200	/* downmix mode: 1 = enabled */
#define AC97_AD198X_HPSEL	0x0400	/* headphone amplifier input select */
#define AC97_AD198X_CLDIS	0x0800	/* center/lfe disable */
#define AC97_AD198X_LODIS	0x1000	/* LINE_OUT disable */
#define AC97_AD198X_MSPLT	0x2000	/* mute split */
#define AC97_AD198X_AC97NC	0x4000	/* AC97 no compatible mode */
#define AC97_AD198X_DACZ	0x8000	/* DAC zero-fill mode */

/* MISC 1 bits (AD1986 register 0x76) */
#define AC97_AD1986_MBC		0x0003	/* mic boost */
#define AC97_AD1986_MBC_20	0x0000	/* +20dB */
#define AC97_AD1986_MBC_10	0x0001	/* +10dB */
#define AC97_AD1986_MBC_30	0x0002	/* +30dB */
#define AC97_AD1986_LISEL0	0x0004	/* LINE_IN select bit 0 */
#define AC97_AD1986_LISEL1	0x0008	/* LINE_IN select bit 1 */
#define AC97_AD1986_LISEL_MASK	(AC97_AD1986_LISEL1 | AC97_AD1986_LISEL0)
#define AC97_AD1986_LISEL_LI	0x0000  /* LINE_IN pins as LINE_IN source */
#define AC97_AD1986_LISEL_SURR	0x0004  /* SURROUND pins as LINE_IN source */
#define AC97_AD1986_LISEL_MIC	0x0008  /* MIC_1/2 pins as LINE_IN source */
#define AC97_AD1986_SRU		0x0010	/* sample rate unlock */
#define AC97_AD1986_SOSEL	0x0020	/* SURROUND_OUT amplifiers input sel */
#define AC97_AD1986_2MIC	0x0040	/* 2-channel mic select */
#define AC97_AD1986_SPRD	0x0080	/* SPREAD enable */
#define AC97_AD1986_DMIX0	0x0100	/* downmix mode: */
					/*  0 = 6-to-4, 1 = 6-to-2 downmix */
#define AC97_AD1986_DMIX1	0x0200	/* downmix mode: 1 = enabled */
#define AC97_AD1986_CLDIS	0x0800	/* center/lfe disable */
#define AC97_AD1986_SODIS	0x1000	/* SURROUND_OUT disable */
#define AC97_AD1986_MSPLT	0x2000	/* mute split (read only 1) */
#define AC97_AD1986_AC97NC	0x4000	/* AC97 no compatible mode (r/o 1) */
#define AC97_AD1986_DACZ	0x8000	/* DAC zero-fill mode */

/* MISC 2 bits (AD1986 register 0x70) */
#define AC97_AD_MISC2		0x70	/* Misc Control Bits 2 (AD1986) */

#define AC97_AD1986_CVREF0	0x0004	/* C/LFE VREF_OUT 2.25V */
#define AC97_AD1986_CVREF1	0x0008	/* C/LFE VREF_OUT 0V */
#define AC97_AD1986_CVREF2	0x0010	/* C/LFE VREF_OUT 3.7V */
#define AC97_AD1986_CVREF_MASK \
	(AC97_AD1986_CVREF2 | AC97_AD1986_CVREF1 | AC97_AD1986_CVREF0)
#define AC97_AD1986_JSMAP	0x0020	/* Jack Sense Mapping 1 = alternate */
#define AC97_AD1986_MMDIS	0x0080	/* Mono Mute Disable */
#define AC97_AD1986_MVREF0	0x0400	/* MIC VREF_OUT 2.25V */
#define AC97_AD1986_MVREF1	0x0800	/* MIC VREF_OUT 0V */
#define AC97_AD1986_MVREF2	0x1000	/* MIC VREF_OUT 3.7V */
#define AC97_AD1986_MVREF_MASK \
	(AC97_AD1986_MVREF2 | AC97_AD1986_MVREF1 | AC97_AD1986_MVREF0)

/* MISC 3 bits (AD1986 register 0x7a) */
#define AC97_AD_MISC3		0x7a	/* Misc Control Bits 3 (AD1986) */

#define AC97_AD1986_MMIX	0x0004	/* Mic Mix, left/right */
#define AC97_AD1986_GPO		0x0008	/* General Purpose Out */
#define AC97_AD1986_LOHPEN	0x0010	/* LINE_OUT headphone drive */
#define AC97_AD1986_LVREF0	0x0100	/* LINE_OUT VREF_OUT 2.25V */
#define AC97_AD1986_LVREF1	0x0200	/* LINE_OUT VREF_OUT 0V */
#define AC97_AD1986_LVREF2	0x0400	/* LINE_OUT VREF_OUT 3.7V */
#define AC97_AD1986_LVREF_MASK \
	(AC97_AD1986_LVREF2 | AC97_AD1986_LVREF1 | AC97_AD1986_LVREF0)
#define AC97_AD1986_JSINVA	0x0800	/* Jack Sense Invert SENSE_A */
#define AC97_AD1986_LOSEL	0x1000	/* LINE_OUT amplifiers input select */
#define AC97_AD1986_HPSEL0	0x2000	/* Headphone amplifiers */
					/*   input select Surround DACs */
#define AC97_AD1986_HPSEL1	0x4000	/* Headphone amplifiers input */
					/*   select C/LFE DACs */
#define AC97_AD1986_JSINVB	0x8000	/* Jack Sense Invert SENSE_B */

/* Serial Config bits (AD1986 register 0x74) (incomplete) */
#define AC97_AD1986_OMS0	0x0100	/* Optional Mic Selector bit 0 */
#define AC97_AD1986_OMS1	0x0200	/* Optional Mic Selector bit 1 */
#define AC97_AD1986_OMS2	0x0400	/* Optional Mic Selector bit 2 */
#define AC97_AD1986_OMS_MASK \
	(AC97_AD1986_OMS2 | AC97_AD1986_OMS1 | AC97_AD1986_OMS0)
#define AC97_AD1986_OMS_M	0x0000  /* MIC_1/2 pins are MIC sources */
#define AC97_AD1986_OMS_L	0x0100  /* LINE_IN pins are MIC sources */
#define AC97_AD1986_OMS_C	0x0200  /* Center/LFE pins are MCI sources */
#define AC97_AD1986_OMS_MC	0x0400  /* Mix of MIC and C/LFE pins */
					/*   are MIC sources */
#define AC97_AD1986_OMS_ML	0x0500  /* MIX of MIC and LINE_IN pins */
					/*   are MIC sources */
#define AC97_AD1986_OMS_LC	0x0600  /* MIX of LINE_IN and C/LFE pins */
					/*   are MIC sources */
#define AC97_AD1986_OMS_MLC	0x0700  /* MIX of MIC, LINE_IN, C/LFE pins */
					/*   are MIC sources */


static int snd_ac97_ad198x_spdif_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[2] = { "AC-Link", "A/D Converter" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item > 1)
		uinfo->value.enumerated.item = 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_ad198x_spdif_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_AD_SERIAL_CFG];
	ucontrol->value.enumerated.item[0] = (val >> 2) & 1;
	return 0;
}

static int snd_ac97_ad198x_spdif_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	if (ucontrol->value.enumerated.item[0] > 1)
		return -EINVAL;
	val = ucontrol->value.enumerated.item[0] << 2;
	return snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x0004, val);
}

static const struct snd_kcontrol_new snd_ac97_ad198x_spdif_source = {
	.iface	= SNDRV_CTL_ELEM_IFACE_MIXER,
	.name	= SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
	.info	= snd_ac97_ad198x_spdif_source_info,
	.get	= snd_ac97_ad198x_spdif_source_get,
	.put	= snd_ac97_ad198x_spdif_source_put,
};

static int patch_ad198x_post_spdif(struct snd_ac97 * ac97)
{
 	return patch_build_controls(ac97, &snd_ac97_ad198x_spdif_source, 1);
}

static const struct snd_kcontrol_new snd_ac97_ad1981x_jack_sense[] = {
	AC97_SINGLE("Headphone Jack Sense", AC97_AD_JACK_SPDIF, 11, 1, 0),
	AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 12, 1, 0),
};

/* black list to avoid HP/Line jack-sense controls
 * (SS vendor << 16 | device)
 */
static unsigned int ad1981_jacks_blacklist[] = {
	0x10140523, /* Thinkpad R40 */
	0x10140534, /* Thinkpad X31 */
	0x10140537, /* Thinkpad T41p */
	0x10140554, /* Thinkpad T42p/R50p */
	0 /* end */
};

static int check_list(struct snd_ac97 *ac97, const unsigned int *list)
{
	u32 subid = ((u32)ac97->subsystem_vendor << 16) | ac97->subsystem_device;
	for (; *list; list++)
		if (*list == subid)
			return 1;
	return 0;
}

static int patch_ad1981a_specific(struct snd_ac97 * ac97)
{
	if (check_list(ac97, ad1981_jacks_blacklist))
		return 0;
	return patch_build_controls(ac97, snd_ac97_ad1981x_jack_sense,
				    ARRAY_SIZE(snd_ac97_ad1981x_jack_sense));
}

static struct snd_ac97_build_ops patch_ad1981a_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1981a_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume
#endif
};

/* white list to enable HP jack-sense bits
 * (SS vendor << 16 | device)
 */
static unsigned int ad1981_jacks_whitelist[] = {
	0x0e11005a, /* HP nc4000/4010 */
	0x103c0890, /* HP nc6000 */
	0x103c0938, /* HP nc4220 */
	0x103c099c, /* HP nx6110 */
	0x103c0944, /* HP nc6220 */
	0x103c0934, /* HP nc8220 */
	0x103c006d, /* HP nx9105 */
	0x17340088, /* FSC Scenic-W */
	0 /* end */
};

static void check_ad1981_hp_jack_sense(struct snd_ac97 *ac97)
{
	if (check_list(ac97, ad1981_jacks_whitelist))
		/* enable headphone jack sense */
		snd_ac97_update_bits(ac97, AC97_AD_JACK_SPDIF, 1<<11, 1<<11);
}

static int patch_ad1981a(struct snd_ac97 *ac97)
{
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1981a_build_ops;
	snd_ac97_update_bits(ac97, AC97_AD_MISC, AC97_AD198X_MSPLT, AC97_AD198X_MSPLT);
	ac97->flags |= AC97_STEREO_MUTES;
	check_ad1981_hp_jack_sense(ac97);
	return 0;
}

static const struct snd_kcontrol_new snd_ac97_ad198x_2cmic =
AC97_SINGLE("Stereo Mic", AC97_AD_MISC, 6, 1, 0);

static int patch_ad1981b_specific(struct snd_ac97 *ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, &snd_ac97_ad198x_2cmic, 1)) < 0)
		return err;
	if (check_list(ac97, ad1981_jacks_blacklist))
		return 0;
	return patch_build_controls(ac97, snd_ac97_ad1981x_jack_sense,
				    ARRAY_SIZE(snd_ac97_ad1981x_jack_sense));
}

static struct snd_ac97_build_ops patch_ad1981b_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1981b_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume
#endif
};

static int patch_ad1981b(struct snd_ac97 *ac97)
{
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1981b_build_ops;
	snd_ac97_update_bits(ac97, AC97_AD_MISC, AC97_AD198X_MSPLT, AC97_AD198X_MSPLT);
	ac97->flags |= AC97_STEREO_MUTES;
	check_ad1981_hp_jack_sense(ac97);
	return 0;
}

static int snd_ac97_ad1888_lohpsel_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int snd_ac97_ad1888_lohpsel_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_AD_MISC];
	ucontrol->value.integer.value[0] = !(val & AC97_AD198X_LOSEL);
	return 0;
}

static int snd_ac97_ad1888_lohpsel_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = !ucontrol->value.integer.value[0]
		? (AC97_AD198X_LOSEL | AC97_AD198X_HPSEL) : 0;
	return snd_ac97_update_bits(ac97, AC97_AD_MISC,
				    AC97_AD198X_LOSEL | AC97_AD198X_HPSEL, val);
}

static int snd_ac97_ad1888_downmix_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[3] = {"Off", "6 -> 4", "6 -> 2"};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 3;
	if (uinfo->value.enumerated.item > 2)
		uinfo->value.enumerated.item = 2;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_ad1888_downmix_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_AD_MISC];
	if (!(val & AC97_AD198X_DMIX1))
		ucontrol->value.enumerated.item[0] = 0;
	else
		ucontrol->value.enumerated.item[0] = 1 + ((val >> 8) & 1);
	return 0;
}

static int snd_ac97_ad1888_downmix_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	if (ucontrol->value.enumerated.item[0] > 2)
		return -EINVAL;
	if (ucontrol->value.enumerated.item[0] == 0)
		val = 0;
	else
		val = AC97_AD198X_DMIX1 |
			((ucontrol->value.enumerated.item[0] - 1) << 8);
	return snd_ac97_update_bits(ac97, AC97_AD_MISC,
				    AC97_AD198X_DMIX0 | AC97_AD198X_DMIX1, val);
}

static void ad1888_update_jacks(struct snd_ac97 *ac97)
{
	unsigned short val = 0;
	/* clear LODIS if shared jack is to be used for Surround out */
	if (is_shared_linein(ac97))
		val |= (1 << 12);
	/* clear CLDIS if shared jack is to be used for C/LFE out */
	if (is_shared_micin(ac97))
		val |= (1 << 11);
	/* shared Line-In */
	snd_ac97_update_bits(ac97, AC97_AD_MISC, (1 << 11) | (1 << 12), val);
}

static const struct snd_kcontrol_new snd_ac97_ad1888_controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Exchange Front/Surround",
		.info = snd_ac97_ad1888_lohpsel_info,
		.get = snd_ac97_ad1888_lohpsel_get,
		.put = snd_ac97_ad1888_lohpsel_put
	},
	AC97_SINGLE("V_REFOUT Enable", AC97_AD_MISC, 2, 1, 1),
	AC97_SINGLE("High Pass Filter Enable", AC97_AD_TEST2, 12, 1, 1),
	AC97_SINGLE("Spread Front to Surround and Center/LFE", AC97_AD_MISC, 7, 1, 0),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Downmix",
		.info = snd_ac97_ad1888_downmix_info,
		.get = snd_ac97_ad1888_downmix_get,
		.put = snd_ac97_ad1888_downmix_put
	},
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,

	AC97_SINGLE("Headphone Jack Sense", AC97_AD_JACK_SPDIF, 10, 1, 0),
	AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 12, 1, 0),
};

static int patch_ad1888_specific(struct snd_ac97 *ac97)
{
	/* rename 0x04 as "Master" and 0x02 as "Master Surround" */
	snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Master Surround Playback");
	snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
	return patch_build_controls(ac97, snd_ac97_ad1888_controls, ARRAY_SIZE(snd_ac97_ad1888_controls));
}

static struct snd_ac97_build_ops patch_ad1888_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1888_specific,
#ifdef CONFIG_PM
	.resume = ad1888_resume,
#endif
	.update_jacks = ad1888_update_jacks,
};

static int patch_ad1888(struct snd_ac97 * ac97)
{
	unsigned short misc;
	
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1888_build_ops;
	/* Switch FRONT/SURROUND LINE-OUT/HP-OUT default connection */
	/* it seems that most vendors connect line-out connector to headphone out of AC'97 */
	/* AD-compatible mode */
	/* Stereo mutes enabled */
	misc = snd_ac97_read(ac97, AC97_AD_MISC);
	snd_ac97_write_cache(ac97, AC97_AD_MISC, misc |
			     AC97_AD198X_LOSEL |
			     AC97_AD198X_HPSEL |
			     AC97_AD198X_MSPLT |
			     AC97_AD198X_AC97NC);
	ac97->flags |= AC97_STEREO_MUTES;
	return 0;
}

static int patch_ad1980_specific(struct snd_ac97 *ac97)
{
	int err;

	if ((err = patch_ad1888_specific(ac97)) < 0)
		return err;
	return patch_build_controls(ac97, &snd_ac97_ad198x_2cmic, 1);
}

static struct snd_ac97_build_ops patch_ad1980_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1980_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume,
#endif
	.update_jacks = ad1888_update_jacks,
};

static int patch_ad1980(struct snd_ac97 * ac97)
{
	patch_ad1888(ac97);
	ac97->build_ops = &patch_ad1980_build_ops;
	return 0;
}

static int snd_ac97_ad1985_vrefout_info(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_info *uinfo)
{
	static char *texts[4] = {"High-Z", "3.7 V", "2.25 V", "0 V"};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 4;
	if (uinfo->value.enumerated.item > 3)
		uinfo->value.enumerated.item = 3;
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_ad1985_vrefout_get(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
{
	static const int reg2ctrl[4] = {2, 0, 1, 3};
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;
	val = (ac97->regs[AC97_AD_MISC] & AC97_AD198X_VREF_MASK)
	      >> AC97_AD198X_VREF_SHIFT;
	ucontrol->value.enumerated.item[0] = reg2ctrl[val];
	return 0;
}

static int snd_ac97_ad1985_vrefout_put(struct snd_kcontrol *kcontrol, 
				       struct snd_ctl_elem_value *ucontrol)
{
	static const int ctrl2reg[4] = {1, 2, 0, 3};
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	if (ucontrol->value.enumerated.item[0] > 3
	    || ucontrol->value.enumerated.item[0] < 0)
		return -EINVAL;
	val = ctrl2reg[ucontrol->value.enumerated.item[0]]
	      << AC97_AD198X_VREF_SHIFT;
	return snd_ac97_update_bits(ac97, AC97_AD_MISC,
				    AC97_AD198X_VREF_MASK, val);
}

static const struct snd_kcontrol_new snd_ac97_ad1985_controls[] = {
	AC97_SINGLE("Exchange Center/LFE", AC97_AD_SERIAL_CFG, 3, 1, 0),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Exchange Front/Surround",
		.info = snd_ac97_ad1888_lohpsel_info,
		.get = snd_ac97_ad1888_lohpsel_get,
		.put = snd_ac97_ad1888_lohpsel_put
	},
	AC97_SINGLE("High Pass Filter Enable", AC97_AD_TEST2, 12, 1, 1),
	AC97_SINGLE("Spread Front to Surround and Center/LFE",
		    AC97_AD_MISC, 7, 1, 0),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Downmix",
		.info = snd_ac97_ad1888_downmix_info,
		.get = snd_ac97_ad1888_downmix_get,
		.put = snd_ac97_ad1888_downmix_put
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "V_REFOUT",
		.info = snd_ac97_ad1985_vrefout_info,
		.get = snd_ac97_ad1985_vrefout_get,
		.put = snd_ac97_ad1985_vrefout_put
	},
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,

	AC97_SINGLE("Headphone Jack Sense", AC97_AD_JACK_SPDIF, 10, 1, 0),
	AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 12, 1, 0),
};

static void ad1985_update_jacks(struct snd_ac97 *ac97)
{
	ad1888_update_jacks(ac97);
	/* clear OMS if shared jack is to be used for C/LFE out */
	snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 1 << 9,
			     is_shared_micin(ac97) ? 1 << 9 : 0);
}

static int patch_ad1985_specific(struct snd_ac97 *ac97)
{
	int err;

	/* rename 0x04 as "Master" and 0x02 as "Master Surround" */
	snd_ac97_rename_vol_ctl(ac97, "Master Playback",
				"Master Surround Playback");
	snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");

	if ((err = patch_build_controls(ac97, &snd_ac97_ad198x_2cmic, 1)) < 0)
		return err;

	return patch_build_controls(ac97, snd_ac97_ad1985_controls,
				    ARRAY_SIZE(snd_ac97_ad1985_controls));
}

static struct snd_ac97_build_ops patch_ad1985_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1985_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume,
#endif
	.update_jacks = ad1985_update_jacks,
};

static int patch_ad1985(struct snd_ac97 * ac97)
{
	unsigned short misc;
	
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1985_build_ops;
	misc = snd_ac97_read(ac97, AC97_AD_MISC);
	/* switch front/surround line-out/hp-out */
	/* AD-compatible mode */
	/* Stereo mutes enabled */
	snd_ac97_write_cache(ac97, AC97_AD_MISC, misc |
			     AC97_AD198X_LOSEL |
			     AC97_AD198X_HPSEL |
			     AC97_AD198X_MSPLT |
			     AC97_AD198X_AC97NC);
	ac97->flags |= AC97_STEREO_MUTES;

	/* update current jack configuration */
	ad1985_update_jacks(ac97);

	/* on AD1985 rev. 3, AC'97 revision bits are zero */
	ac97->ext_id = (ac97->ext_id & ~AC97_EI_REV_MASK) | AC97_EI_REV_23;
	return 0;
}

static int snd_ac97_ad1986_bool_info(struct snd_kcontrol *kcontrol,
				     struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int snd_ac97_ad1986_lososel_get(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_AD_MISC3];
	ucontrol->value.integer.value[0] = (val & AC97_AD1986_LOSEL) != 0;
	return 0;
}

static int snd_ac97_ad1986_lososel_put(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	int ret0;
	int ret1;
	int sprd = (ac97->regs[AC97_AD_MISC] & AC97_AD1986_SPRD) != 0;

	ret0 = snd_ac97_update_bits(ac97, AC97_AD_MISC3, AC97_AD1986_LOSEL,
					ucontrol->value.integer.value[0] != 0
				    ? AC97_AD1986_LOSEL : 0);
	if (ret0 < 0)
		return ret0;

	/* SOSEL is set to values of "Spread" or "Exchange F/S" controls */
	ret1 = snd_ac97_update_bits(ac97, AC97_AD_MISC, AC97_AD1986_SOSEL,
				    (ucontrol->value.integer.value[0] != 0
				     || sprd)
				    ? AC97_AD1986_SOSEL : 0);
	if (ret1 < 0)
		return ret1;

	return (ret0 > 0 || ret1 > 0) ? 1 : 0;
}

static int snd_ac97_ad1986_spread_get(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_AD_MISC];
	ucontrol->value.integer.value[0] = (val & AC97_AD1986_SPRD) != 0;
	return 0;
}

static int snd_ac97_ad1986_spread_put(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	int ret0;
	int ret1;
	int sprd = (ac97->regs[AC97_AD_MISC3] & AC97_AD1986_LOSEL) != 0;

	ret0 = snd_ac97_update_bits(ac97, AC97_AD_MISC, AC97_AD1986_SPRD,
					ucontrol->value.integer.value[0] != 0
				    ? AC97_AD1986_SPRD : 0);
	if (ret0 < 0)
		return ret0;

	/* SOSEL is set to values of "Spread" or "Exchange F/S" controls */
	ret1 = snd_ac97_update_bits(ac97, AC97_AD_MISC, AC97_AD1986_SOSEL,
				    (ucontrol->value.integer.value[0] != 0
				     || sprd)
				    ? AC97_AD1986_SOSEL : 0);
	if (ret1 < 0)
		return ret1;

	return (ret0 > 0 || ret1 > 0) ? 1 : 0;
}

static int snd_ac97_ad1986_miclisel_get(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	ucontrol->value.integer.value[0] = ac97->spec.ad18xx.swap_mic_linein;
	return 0;
}

static int snd_ac97_ad1986_miclisel_put(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned char swap = ucontrol->value.integer.value[0] != 0;

	if (swap != ac97->spec.ad18xx.swap_mic_linein) {
		ac97->spec.ad18xx.swap_mic_linein = swap;
		if (ac97->build_ops->update_jacks)
			ac97->build_ops->update_jacks(ac97);
		return 1;
	}
	return 0;
}

static int snd_ac97_ad1986_vrefout_get(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
{
	/* Use MIC_1/2 V_REFOUT as the "get" value */
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;
	unsigned short reg = ac97->regs[AC97_AD_MISC2];
	if ((reg & AC97_AD1986_MVREF0) != 0)
		val = 2;
	else if ((reg & AC97_AD1986_MVREF1) != 0)
		val = 3;
	else if ((reg & AC97_AD1986_MVREF2) != 0)
		val = 1;
	else
		val = 0;
	ucontrol->value.enumerated.item[0] = val;
	return 0;
}

static int snd_ac97_ad1986_vrefout_put(struct snd_kcontrol *kcontrol,
				       struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short cval;
	unsigned short lval;
	unsigned short mval;
	int cret;
	int lret;
	int mret;

	switch (ucontrol->value.enumerated.item[0])
	{
	case 0: /* High-Z */
		cval = 0;
		lval = 0;
		mval = 0;
		break;
	case 1: /* 3.7 V */
		cval = AC97_AD1986_CVREF2;
		lval = AC97_AD1986_LVREF2;
		mval = AC97_AD1986_MVREF2;
		break;
	case 2: /* 2.25 V */
		cval = AC97_AD1986_CVREF0;
		lval = AC97_AD1986_LVREF0;
		mval = AC97_AD1986_MVREF0;
		break;
	case 3: /* 0 V */
		cval = AC97_AD1986_CVREF1;
		lval = AC97_AD1986_LVREF1;
		mval = AC97_AD1986_MVREF1;
		break;
	default:
		return -EINVAL;
	}

	cret = snd_ac97_update_bits(ac97, AC97_AD_MISC2,
				    AC97_AD1986_CVREF_MASK, cval);
	if (cret < 0)
		return cret;
	lret = snd_ac97_update_bits(ac97, AC97_AD_MISC3,
				    AC97_AD1986_LVREF_MASK, lval);
	if (lret < 0)
		return lret;
	mret = snd_ac97_update_bits(ac97, AC97_AD_MISC2,
				    AC97_AD1986_MVREF_MASK, mval);
	if (mret < 0)
		return mret;

	return (cret > 0 || lret > 0 || mret > 0) ? 1 : 0;
}

static const struct snd_kcontrol_new snd_ac97_ad1986_controls[] = {
	AC97_SINGLE("Exchange Center/LFE", AC97_AD_SERIAL_CFG, 3, 1, 0),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Exchange Front/Surround",
		.info = snd_ac97_ad1986_bool_info,
		.get = snd_ac97_ad1986_lososel_get,
		.put = snd_ac97_ad1986_lososel_put
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Exchange Mic/Line In",
		.info = snd_ac97_ad1986_bool_info,
		.get = snd_ac97_ad1986_miclisel_get,
		.put = snd_ac97_ad1986_miclisel_put
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Spread Front to Surround and Center/LFE",
		.info = snd_ac97_ad1986_bool_info,
		.get = snd_ac97_ad1986_spread_get,
		.put = snd_ac97_ad1986_spread_put
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Downmix",
		.info = snd_ac97_ad1888_downmix_info,
		.get = snd_ac97_ad1888_downmix_get,
		.put = snd_ac97_ad1888_downmix_put
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "V_REFOUT",
		.info = snd_ac97_ad1985_vrefout_info,
		.get = snd_ac97_ad1986_vrefout_get,
		.put = snd_ac97_ad1986_vrefout_put
	},
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,

	AC97_SINGLE("Headphone Jack Sense", AC97_AD_JACK_SPDIF, 10, 1, 0),
	AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 12, 1, 0)
};

static void ad1986_update_jacks(struct snd_ac97 *ac97)
{
	unsigned short misc_val = 0;
	unsigned short ser_val;

	/* disable SURROUND and CENTER/LFE if not surround mode */
	if (!is_surround_on(ac97))
		misc_val |= AC97_AD1986_SODIS;
	if (!is_clfe_on(ac97))
		misc_val |= AC97_AD1986_CLDIS;

	/* select line input (default=LINE_IN, SURROUND or MIC_1/2) */
	if (is_shared_linein(ac97))
		misc_val |= AC97_AD1986_LISEL_SURR;
	else if (ac97->spec.ad18xx.swap_mic_linein != 0)
		misc_val |= AC97_AD1986_LISEL_MIC;
	snd_ac97_update_bits(ac97, AC97_AD_MISC,
			     AC97_AD1986_SODIS | AC97_AD1986_CLDIS |
			     AC97_AD1986_LISEL_MASK,
			     misc_val);

	/* select microphone input (MIC_1/2, Center/LFE or LINE_IN) */
	if (is_shared_micin(ac97))
		ser_val = AC97_AD1986_OMS_C;
	else if (ac97->spec.ad18xx.swap_mic_linein != 0)
		ser_val = AC97_AD1986_OMS_L;
	else
		ser_val = AC97_AD1986_OMS_M;
	snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG,
			     AC97_AD1986_OMS_MASK,
			     ser_val);
}

static int patch_ad1986_specific(struct snd_ac97 *ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, &snd_ac97_ad198x_2cmic, 1)) < 0)
		return err;

	return patch_build_controls(ac97, snd_ac97_ad1986_controls,
				    ARRAY_SIZE(snd_ac97_ad1985_controls));
}

static struct snd_ac97_build_ops patch_ad1986_build_ops = {
	.build_post_spdif = patch_ad198x_post_spdif,
	.build_specific = patch_ad1986_specific,
#ifdef CONFIG_PM
	.resume = ad18xx_resume,
#endif
	.update_jacks = ad1986_update_jacks,
};

static int patch_ad1986(struct snd_ac97 * ac97)
{
	patch_ad1881(ac97);
	ac97->build_ops = &patch_ad1986_build_ops;
	ac97->flags |= AC97_STEREO_MUTES;

	/* update current jack configuration */
	ad1986_update_jacks(ac97);

	return 0;
}


/*
 * realtek ALC65x/850 codecs
 */
static void alc650_update_jacks(struct snd_ac97 *ac97)
{
	int shared;
	
	/* shared Line-In / Surround Out */
	shared = is_shared_surrout(ac97);
	snd_ac97_update_bits(ac97, AC97_ALC650_MULTICH, 1 << 9,
			     shared ? (1 << 9) : 0);
	/* update shared Mic In / Center/LFE Out */
	shared = is_shared_clfeout(ac97);
	/* disable/enable vref */
	snd_ac97_update_bits(ac97, AC97_ALC650_CLOCK, 1 << 12,
			     shared ? (1 << 12) : 0);
	/* turn on/off center-on-mic */
	snd_ac97_update_bits(ac97, AC97_ALC650_MULTICH, 1 << 10,
			     shared ? (1 << 10) : 0);
	/* GPIO0 high for mic */
	snd_ac97_update_bits(ac97, AC97_ALC650_GPIO_STATUS, 0x100,
			     shared ? 0 : 0x100);
}

static const struct snd_kcontrol_new snd_ac97_controls_alc650[] = {
	AC97_SINGLE("Duplicate Front", AC97_ALC650_MULTICH, 0, 1, 0),
	AC97_SINGLE("Surround Down Mix", AC97_ALC650_MULTICH, 1, 1, 0),
	AC97_SINGLE("Center/LFE Down Mix", AC97_ALC650_MULTICH, 2, 1, 0),
	AC97_SINGLE("Exchange Center/LFE", AC97_ALC650_MULTICH, 3, 1, 0),
	/* 4: Analog Input To Surround */
	/* 5: Analog Input To Center/LFE */
	/* 6: Independent Master Volume Right */
	/* 7: Independent Master Volume Left */
	/* 8: reserved */
	/* 9: Line-In/Surround share */
	/* 10: Mic/CLFE share */
	/* 11-13: in IEC958 controls */
	AC97_SINGLE("Swap Surround Slot", AC97_ALC650_MULTICH, 14, 1, 0),
#if 0 /* always set in patch_alc650 */
	AC97_SINGLE("IEC958 Input Clock Enable", AC97_ALC650_CLOCK, 0, 1, 0),
	AC97_SINGLE("IEC958 Input Pin Enable", AC97_ALC650_CLOCK, 1, 1, 0),
	AC97_SINGLE("Surround DAC Switch", AC97_ALC650_SURR_DAC_VOL, 15, 1, 1),
	AC97_DOUBLE("Surround DAC Volume", AC97_ALC650_SURR_DAC_VOL, 8, 0, 31, 1),
	AC97_SINGLE("Center/LFE DAC Switch", AC97_ALC650_LFE_DAC_VOL, 15, 1, 1),
	AC97_DOUBLE("Center/LFE DAC Volume", AC97_ALC650_LFE_DAC_VOL, 8, 0, 31, 1),
#endif
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,
};

static const struct snd_kcontrol_new snd_ac97_spdif_controls_alc650[] = {
        AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), AC97_ALC650_MULTICH, 11, 1, 0),
        AC97_SINGLE("Analog to IEC958 Output", AC97_ALC650_MULTICH, 12, 1, 0),
	/* disable this controls since it doesn't work as expected */
	/* AC97_SINGLE("IEC958 Input Monitor", AC97_ALC650_MULTICH, 13, 1, 0), */
};

static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_max, -4350, 150, 0);

static int patch_alc650_specific(struct snd_ac97 * ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, snd_ac97_controls_alc650, ARRAY_SIZE(snd_ac97_controls_alc650))) < 0)
		return err;
	if (ac97->ext_id & AC97_EI_SPDIF) {
		if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_alc650, ARRAY_SIZE(snd_ac97_spdif_controls_alc650))) < 0)
			return err;
	}
	if (ac97->id != AC97_ID_ALC650F)
		reset_tlv(ac97, "Master Playback Volume",
			  db_scale_5bit_3db_max);
	return 0;
}

static struct snd_ac97_build_ops patch_alc650_ops = {
	.build_specific	= patch_alc650_specific,
	.update_jacks = alc650_update_jacks
};

static int patch_alc650(struct snd_ac97 * ac97)
{
	unsigned short val;

	ac97->build_ops = &patch_alc650_ops;

	/* determine the revision */
	val = snd_ac97_read(ac97, AC97_ALC650_REVISION) & 0x3f;
	if (val < 3)
		ac97->id = 0x414c4720;          /* Old version */
	else if (val < 0x10)
		ac97->id = 0x414c4721;          /* D version */
	else if (val < 0x20)
		ac97->id = 0x414c4722;          /* E version */
	else if (val < 0x30)
		ac97->id = 0x414c4723;          /* F version */

	/* revision E or F */
	/* FIXME: what about revision D ? */
	ac97->spec.dev_flags = (ac97->id == 0x414c4722 ||
				ac97->id == 0x414c4723);

	/* enable AC97_ALC650_GPIO_SETUP, AC97_ALC650_CLOCK for R/W */
	snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_STATUS, 
		snd_ac97_read(ac97, AC97_ALC650_GPIO_STATUS) | 0x8000);

	/* Enable SPDIF-IN only on Rev.E and above */
	val = snd_ac97_read(ac97, AC97_ALC650_CLOCK);
	/* SPDIF IN with pin 47 */
	if (ac97->spec.dev_flags &&
	    /* ASUS A6KM requires EAPD */
	    ! (ac97->subsystem_vendor == 0x1043 &&
	       ac97->subsystem_device == 0x1103))
		val |= 0x03; /* enable */
	else
		val &= ~0x03; /* disable */
	snd_ac97_write_cache(ac97, AC97_ALC650_CLOCK, val);

	/* set default: slot 3,4,7,8,6,9
	   spdif-in monitor off, analog-spdif off, spdif-in off
	   center on mic off, surround on line-in off
	   downmix off, duplicate front off
	*/
	snd_ac97_write_cache(ac97, AC97_ALC650_MULTICH, 0);

	/* set GPIO0 for mic bias */
	/* GPIO0 pin output, no interrupt, high */
	snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_SETUP,
			     snd_ac97_read(ac97, AC97_ALC650_GPIO_SETUP) | 0x01);
	snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_STATUS,
			     (snd_ac97_read(ac97, AC97_ALC650_GPIO_STATUS) | 0x100) & ~0x10);

	/* full DAC volume */
	snd_ac97_write_cache(ac97, AC97_ALC650_SURR_DAC_VOL, 0x0808);
	snd_ac97_write_cache(ac97, AC97_ALC650_LFE_DAC_VOL, 0x0808);
	return 0;
}

static void alc655_update_jacks(struct snd_ac97 *ac97)
{
	int shared;
	
	/* shared Line-In / Surround Out */
	shared = is_shared_surrout(ac97);
	ac97_update_bits_page(ac97, AC97_ALC650_MULTICH, 1 << 9,
			      shared ? (1 << 9) : 0, 0);
	/* update shared Mic In / Center/LFE Out */
	shared = is_shared_clfeout(ac97);
	/* misc control; vrefout disable */
	snd_ac97_update_bits(ac97, AC97_ALC650_CLOCK, 1 << 12,
			     shared ? (1 << 12) : 0);
	ac97_update_bits_page(ac97, AC97_ALC650_MULTICH, 1 << 10,
			      shared ? (1 << 10) : 0, 0);
}

static const struct snd_kcontrol_new snd_ac97_controls_alc655[] = {
	AC97_PAGE_SINGLE("Duplicate Front", AC97_ALC650_MULTICH, 0, 1, 0, 0),
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,
};

static int alc655_iec958_route_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts_655[3] = { "PCM", "Analog In", "IEC958 In" };
	static char *texts_658[4] = { "PCM", "Analog1 In", "Analog2 In", "IEC958 In" };
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = ac97->spec.dev_flags ? 4 : 3;
	if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
		uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
	strcpy(uinfo->value.enumerated.name,
	       ac97->spec.dev_flags ?
	       texts_658[uinfo->value.enumerated.item] :
	       texts_655[uinfo->value.enumerated.item]);
	return 0;
}

static int alc655_iec958_route_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_ALC650_MULTICH];
	val = (val >> 12) & 3;
	if (ac97->spec.dev_flags && val == 3)
		val = 0;
	ucontrol->value.enumerated.item[0] = val;
	return 0;
}

static int alc655_iec958_route_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	return ac97_update_bits_page(ac97, AC97_ALC650_MULTICH, 3 << 12,
				     (unsigned short)ucontrol->value.enumerated.item[0] << 12,
				     0);
}

static const struct snd_kcontrol_new snd_ac97_spdif_controls_alc655[] = {
        AC97_PAGE_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), AC97_ALC650_MULTICH, 11, 1, 0, 0),
	/* disable this controls since it doesn't work as expected */
        /* AC97_PAGE_SINGLE("IEC958 Input Monitor", AC97_ALC650_MULTICH, 14, 1, 0, 0), */
	{
		.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name   = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
		.info   = alc655_iec958_route_info,
		.get    = alc655_iec958_route_get,
		.put    = alc655_iec958_route_put,
	},
};

static int patch_alc655_specific(struct snd_ac97 * ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, snd_ac97_controls_alc655, ARRAY_SIZE(snd_ac97_controls_alc655))) < 0)
		return err;
	if (ac97->ext_id & AC97_EI_SPDIF) {
		if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_alc655, ARRAY_SIZE(snd_ac97_spdif_controls_alc655))) < 0)
			return err;
	}
	return 0;
}

static struct snd_ac97_build_ops patch_alc655_ops = {
	.build_specific	= patch_alc655_specific,
	.update_jacks = alc655_update_jacks
};

static int patch_alc655(struct snd_ac97 * ac97)
{
	unsigned int val;

	if (ac97->id == AC97_ID_ALC658) {
		ac97->spec.dev_flags = 1; /* ALC658 */
		if ((snd_ac97_read(ac97, AC97_ALC650_REVISION) & 0x3f) == 2) {
			ac97->id = AC97_ID_ALC658D;
			ac97->spec.dev_flags = 2;
		}
	}

	ac97->build_ops = &patch_alc655_ops;

	/* assume only page 0 for writing cache */
	snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, AC97_PAGE_VENDOR);

	/* adjust default values */
	val = snd_ac97_read(ac97, 0x7a); /* misc control */
	if (ac97->spec.dev_flags) /* ALC658 */
		val &= ~(1 << 1); /* Pin 47 is spdif input pin */
	else { /* ALC655 */
		if (ac97->subsystem_vendor == 0x1462 &&
		    (ac97->subsystem_device == 0x0131 || /* MSI S270 laptop */
		     ac97->subsystem_device == 0x0161 || /* LG K1 Express */
		     ac97->subsystem_device == 0x0351 || /* MSI L725 laptop */
		     ac97->subsystem_device == 0x0471 || /* MSI L720 laptop */
		     ac97->subsystem_device == 0x0061))  /* MSI S250 laptop */
			val &= ~(1 << 1); /* Pin 47 is EAPD (for internal speaker) */
		else
			val |= (1 << 1); /* Pin 47 is spdif input pin */
	}
	val &= ~(1 << 12); /* vref enable */
	snd_ac97_write_cache(ac97, 0x7a, val);
	/* set default: spdif-in enabled,
	   spdif-in monitor off, spdif-in PCM off
	   center on mic off, surround on line-in off
	   duplicate front off
	*/
	snd_ac97_write_cache(ac97, AC97_ALC650_MULTICH, 1<<15);

	/* full DAC volume */
	snd_ac97_write_cache(ac97, AC97_ALC650_SURR_DAC_VOL, 0x0808);
	snd_ac97_write_cache(ac97, AC97_ALC650_LFE_DAC_VOL, 0x0808);

	/* update undocumented bit... */
	if (ac97->id == AC97_ID_ALC658D)
		snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);

	return 0;
}


#define AC97_ALC850_JACK_SELECT	0x76
#define AC97_ALC850_MISC1	0x7a

static void alc850_update_jacks(struct snd_ac97 *ac97)
{
	int shared;
	
	/* shared Line-In / Surround Out */
	shared = is_shared_surrout(ac97);
	/* SURR 1kOhm (bit4), Amp (bit5) */
	snd_ac97_update_bits(ac97, AC97_ALC850_MISC1, (1<<4)|(1<<5),
			     shared ? (1<<5) : (1<<4));
	/* LINE-IN = 0, SURROUND = 2 */
	snd_ac97_update_bits(ac97, AC97_ALC850_JACK_SELECT, 7 << 12,
			     shared ? (2<<12) : (0<<12));
	/* update shared Mic In / Center/LFE Out */
	shared = is_shared_clfeout(ac97);
	/* Vref disable (bit12), 1kOhm (bit13) */
	snd_ac97_update_bits(ac97, AC97_ALC850_MISC1, (1<<12)|(1<<13),
			     shared ? (1<<12) : (1<<13));
	/* MIC-IN = 1, CENTER-LFE = 5 */
	snd_ac97_update_bits(ac97, AC97_ALC850_JACK_SELECT, 7 << 4,
			     shared ? (5<<4) : (1<<4));
}

static const struct snd_kcontrol_new snd_ac97_controls_alc850[] = {
	AC97_PAGE_SINGLE("Duplicate Front", AC97_ALC650_MULTICH, 0, 1, 0, 0),
	AC97_SINGLE("Mic Front Input Switch", AC97_ALC850_JACK_SELECT, 15, 1, 1),
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,
};

static int patch_alc850_specific(struct snd_ac97 *ac97)
{
	int err;

	if ((err = patch_build_controls(ac97, snd_ac97_controls_alc850, ARRAY_SIZE(snd_ac97_controls_alc850))) < 0)
		return err;
	if (ac97->ext_id & AC97_EI_SPDIF) {
		if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_alc655, ARRAY_SIZE(snd_ac97_spdif_controls_alc655))) < 0)
			return err;
	}
	return 0;
}

static struct snd_ac97_build_ops patch_alc850_ops = {
	.build_specific	= patch_alc850_specific,
	.update_jacks = alc850_update_jacks
};

static int patch_alc850(struct snd_ac97 *ac97)
{
	ac97->build_ops = &patch_alc850_ops;

	ac97->spec.dev_flags = 0; /* for IEC958 playback route - ALC655 compatible */

	/* assume only page 0 for writing cache */
	snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, AC97_PAGE_VENDOR);

	/* adjust default values */
	/* set default: spdif-in enabled,
	   spdif-in monitor off, spdif-in PCM off
	   center on mic off, surround on line-in off
	   duplicate front off
	*/
	snd_ac97_write_cache(ac97, AC97_ALC650_MULTICH, 1<<15);
	/* SURR_OUT: on, Surr 1kOhm: on, Surr Amp: off, Front 1kOhm: off
	 * Front Amp: on, Vref: enable, Center 1kOhm: on, Mix: on
	 */
	snd_ac97_write_cache(ac97, 0x7a, (1<<1)|(1<<4)|(0<<5)|(1<<6)|
			     (1<<7)|(0<<12)|(1<<13)|(0<<14));
	/* detection UIO2,3: all path floating, UIO3: MIC, Vref2: disable,
	 * UIO1: FRONT, Vref3: disable, UIO3: LINE, Front-Mic: mute
	 */
	snd_ac97_write_cache(ac97, 0x76, (0<<0)|(0<<2)|(1<<4)|(1<<7)|(2<<8)|
			     (1<<11)|(0<<12)|(1<<15));

	/* full DAC volume */
	snd_ac97_write_cache(ac97, AC97_ALC650_SURR_DAC_VOL, 0x0808);
	snd_ac97_write_cache(ac97, AC97_ALC650_LFE_DAC_VOL, 0x0808);
	return 0;
}


/*
 * C-Media CM97xx codecs
 */
static void cm9738_update_jacks(struct snd_ac97 *ac97)
{
	/* shared Line-In / Surround Out */
	snd_ac97_update_bits(ac97, AC97_CM9738_VENDOR_CTRL, 1 << 10,
			     is_shared_surrout(ac97) ? (1 << 10) : 0);
}

static const struct snd_kcontrol_new snd_ac97_cm9738_controls[] = {
	AC97_SINGLE("Duplicate Front", AC97_CM9738_VENDOR_CTRL, 13, 1, 0),
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_4CH_CTL,
};

static int patch_cm9738_specific(struct snd_ac97 * ac97)
{
	return patch_build_controls(ac97, snd_ac97_cm9738_controls, ARRAY_SIZE(snd_ac97_cm9738_controls));
}

static struct snd_ac97_build_ops patch_cm9738_ops = {
	.build_specific	= patch_cm9738_specific,
	.update_jacks = cm9738_update_jacks
};

static int patch_cm9738(struct snd_ac97 * ac97)
{
	ac97->build_ops = &patch_cm9738_ops;
	/* FIXME: can anyone confirm below? */
	/* CM9738 has no PCM volume although the register reacts */
	ac97->flags |= AC97_HAS_NO_PCM_VOL;
	snd_ac97_write_cache(ac97, AC97_PCM, 0x8000);

	return 0;
}

static int snd_ac97_cmedia_spdif_playback_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[] = { "Analog", "Digital" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item > 1)
		uinfo->value.enumerated.item = 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ac97_cmedia_spdif_playback_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
	unsigned short val;

	val = ac97->regs[AC97_CM9739_SPDIF_CTRL];
	ucontrol->value.enumerated.item[0] = (val >> 1) & 0x01;
	return 0;
}

static int snd_ac97_cmedia_spdif_playback_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	return snd_ac97_update_bits(ac97, AC97_CM9739_SPDIF_CTRL,
				    0x01 << 1, 
				    (ucontrol->value.enumerated.item[0] & 0x01) << 1);
}

static const struct snd_kcontrol_new snd_ac97_cm9739_controls_spdif[] = {
	/* BIT 0: SPDI_EN - always true */
	{ /* BIT 1: SPDIFS */
		.iface	= SNDRV_CTL_ELEM_IFACE_MIXER,
		.name	= SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
		.info	= snd_ac97_cmedia_spdif_playback_source_info,
		.get	= snd_ac97_cmedia_spdif_playback_source_get,
		.put	= snd_ac97_cmedia_spdif_playback_source_put,
	},
	/* BIT 2: IG_SPIV */
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,NONE) "Valid Switch", AC97_CM9739_SPDIF_CTRL, 2, 1, 0),
	/* BIT 3: SPI2F */
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,NONE) "Monitor", AC97_CM9739_SPDIF_CTRL, 3, 1, 0), 
	/* BIT 4: SPI2SDI */
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), AC97_CM9739_SPDIF_CTRL, 4, 1, 0),
	/* BIT 8: SPD32 - 32bit SPDIF - not supported yet */
};

static void cm9739_update_jacks(struct snd_ac97 *ac97)
{
	/* shared Line-In / Surround Out */
	snd_ac97_update_bits(ac97, AC97_CM9739_MULTI_CHAN, 1 << 10,
			     is_shared_surrout(ac97) ? (1 << 10) : 0);
	/* shared Mic In / Center/LFE Out **/
	snd_ac97_update_bits(ac97, AC97_CM9739_MULTI_CHAN, 0x3000,
			     is_shared_clfeout(ac97) ? 0x1000 : 0x2000);
}

static const struct snd_kcontrol_new snd_ac97_cm9739_controls[] = {
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,
};

static int patch_cm9739_specific(struct snd_ac97 * ac97)
{
	return patch_build_controls(ac97, snd_ac97_cm9739_controls, ARRAY_SIZE(snd_ac97_cm9739_controls));
}

static int patch_cm9739_post_spdif(struct snd_ac97 * ac97)
{
	return patch_build_controls(ac97, snd_ac97_cm9739_controls_spdif, ARRAY_SIZE(snd_ac97_cm9739_controls_spdif));
}

static struct snd_ac97_build_ops patch_cm9739_ops = {
	.build_specific	= patch_cm9739_specific,
	.build_post_spdif = patch_cm9739_post_spdif,
	.update_jacks = cm9739_update_jacks
};

static int patch_cm9739(struct snd_ac97 * ac97)
{
	unsigned short val;

	ac97->build_ops = &patch_cm9739_ops;

	/* CM9739/A has no Master and PCM volume although the register reacts */
	ac97->flags |= AC97_HAS_NO_MASTER_VOL | AC97_HAS_NO_PCM_VOL;
	snd_ac97_write_cache(ac97, AC97_MASTER, 0x8000);
	snd_ac97_write_cache(ac97, AC97_PCM, 0x8000);

	/* check spdif */
	val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
	if (val & AC97_EA_SPCV) {
		/* enable spdif in */
		snd_ac97_write_cache(ac97, AC97_CM9739_SPDIF_CTRL,
				     snd_ac97_read(ac97, AC97_CM9739_SPDIF_CTRL) | 0x01);
		ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000; /* 48k only */
	} else {
		ac97->ext_id &= ~AC97_EI_SPDIF; /* disable extended-id */
		ac97->rates[AC97_RATES_SPDIF] = 0;
	}

	/* set-up multi channel */
	/* bit 14: 0 = SPDIF, 1 = EAPD */
	/* bit 13: enable internal vref output for mic */
	/* bit 12: disable center/lfe (swithable) */
	/* bit 10: disable surround/line (switchable) */
	/* bit 9: mix 2 surround off */
	/* bit 4: undocumented; 0 mutes the CM9739A, which defaults to 1 */
	/* bit 3: undocumented; surround? */
	/* bit 0: dB */
	val = snd_ac97_read(ac97, AC97_CM9739_MULTI_CHAN) & (1 << 4);
	val |= (1 << 3);
	val |= (1 << 13);
	if (! (ac97->ext_id & AC97_EI_SPDIF))
		val |= (1 << 14);
	snd_ac97_write_cache(ac97, AC97_CM9739_MULTI_CHAN, val);

	/* FIXME: set up GPIO */
	snd_ac97_write_cache(ac97, 0x70, 0x0100);
	snd_ac97_write_cache(ac97, 0x72, 0x0020);
	/* Special exception for ASUS W1000/CMI9739. It does not have an SPDIF in. */
	if (ac97->pci &&
	     ac97->subsystem_vendor == 0x1043 &&
	     ac97->subsystem_device == 0x1843) {
		snd_ac97_write_cache(ac97, AC97_CM9739_SPDIF_CTRL,
			snd_ac97_read(ac97, AC97_CM9739_SPDIF_CTRL) & ~0x01);
		snd_ac97_write_cache(ac97, AC97_CM9739_MULTI_CHAN,
			snd_ac97_read(ac97, AC97_CM9739_MULTI_CHAN) | (1 << 14));
	}

	return 0;
}

#define AC97_CM9761_MULTI_CHAN	0x64
#define AC97_CM9761_FUNC	0x66
#define AC97_CM9761_SPDIF_CTRL	0x6c

static void cm9761_update_jacks(struct snd_ac97 *ac97)
{
	/* FIXME: check the bits for each model
	 *        model 83 is confirmed to work
	 */
	static unsigned short surr_on[3][2] = {
		{ 0x0008, 0x0000 }, /* 9761-78 & 82 */
		{ 0x0000, 0x0008 }, /* 9761-82 rev.B */
		{ 0x0000, 0x0008 }, /* 9761-83 */
	};
	static unsigned short clfe_on[3][2] = {
		{ 0x0000, 0x1000 }, /* 9761-78 & 82 */
		{ 0x1000, 0x0000 }, /* 9761-82 rev.B */
		{ 0x0000, 0x1000 }, /* 9761-83 */
	};
	static unsigned short surr_shared[3][2] = {
		{ 0x0000, 0x0400 }, /* 9761-78 & 82 */
		{ 0x0000, 0x0400 }, /* 9761-82 rev.B */
		{ 0x0000, 0x0400 }, /* 9761-83 */
	};
	static unsigned short clfe_shared[3][2] = {
		{ 0x2000, 0x0880 }, /* 9761-78 & 82 */
		{ 0x0000, 0x2880 }, /* 9761-82 rev.B */
		{ 0x2000, 0x0800 }, /* 9761-83 */
	};
	unsigned short val = 0;

	val |= surr_on[ac97->spec.dev_flags][is_surround_on(ac97)];
	val |= clfe_on[ac97->spec.dev_flags][is_clfe_on(ac97)];
	val |= surr_shared[ac97->spec.dev_flags][is_shared_surrout(ac97)];
	val |= clfe_shared[ac97->spec.dev_flags][is_shared_clfeout(ac97)];

	snd_ac97_update_bits(ac97, AC97_CM9761_MULTI_CHAN, 0x3c88, val);
}

static const struct snd_kcontrol_new snd_ac97_cm9761_controls[] = {
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,
};

static int cm9761_spdif_out_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static char *texts[] = { "AC-Link", "ADC", "SPDIF-In" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 3;
	if (uinfo->value.enumerated.item > 2)
		uinfo->value.enumerated.item = 2;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int cm9761_spdif_out_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	if (ac97->regs[AC97_CM9761_FUNC] & 0x1)
		ucontrol->value.enumerated.item[0] = 2; /* SPDIF-loopback */
	else if (ac97->regs[AC97_CM9761_SPDIF_CTRL] & 0x2)
		ucontrol->value.enumerated.item[0] = 1; /* ADC loopback */
	else
		ucontrol->value.enumerated.item[0] = 0; /* AC-link */
	return 0;
}

static int cm9761_spdif_out_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);

	if (ucontrol->value.enumerated.item[0] == 2)
		return snd_ac97_update_bits(ac97, AC97_CM9761_FUNC, 0x1, 0x1);
	snd_ac97_update_bits(ac97, AC97_CM9761_FUNC, 0x1, 0);
	return snd_ac97_update_bits(ac97, AC97_CM9761_SPDIF_CTRL, 0x2,
				    ucontrol->value.enumerated.item[0] == 1 ? 0x2 : 0);
}

static const char *cm9761_dac_clock[] = { "AC-Link", "SPDIF-In", "Both" };
static const struct ac97_enum cm9761_dac_clock_enum =
	AC97_ENUM_SINGLE(AC97_CM9761_SPDIF_CTRL, 9, 3, cm9761_dac_clock);

static const struct snd_kcontrol_new snd_ac97_cm9761_controls_spdif[] = {
	{ /* BIT 1: SPDIFS */
		.iface	= SNDRV_CTL_ELEM_IFACE_MIXER,
		.name	= SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
		.info = cm9761_spdif_out_source_info,
		.get = cm9761_spdif_out_source_get,
		.put = cm9761_spdif_out_source_put,
	},
	/* BIT 2: IG_SPIV */
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,NONE) "Valid Switch", AC97_CM9761_SPDIF_CTRL, 2, 1, 0),
	/* BIT 3: SPI2F */
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,NONE) "Monitor", AC97_CM9761_SPDIF_CTRL, 3, 1, 0), 
	/* BIT 4: SPI2SDI */
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), AC97_CM9761_SPDIF_CTRL, 4, 1, 0),
	/* BIT 9-10: DAC_CTL */
	AC97_ENUM("DAC Clock Source", cm9761_dac_clock_enum),
};

static int patch_cm9761_post_spdif(struct snd_ac97 * ac97)
{
	return patch_build_controls(ac97, snd_ac97_cm9761_controls_spdif, ARRAY_SIZE(snd_ac97_cm9761_controls_spdif));
}

static int patch_cm9761_specific(struct snd_ac97 * ac97)
{
	return patch_build_controls(ac97, snd_ac97_cm9761_controls, ARRAY_SIZE(snd_ac97_cm9761_controls));
}

static struct snd_ac97_build_ops patch_cm9761_ops = {
	.build_specific	= patch_cm9761_specific,
	.build_post_spdif = patch_cm9761_post_spdif,
	.update_jacks = cm9761_update_jacks
};

static int patch_cm9761(struct snd_ac97 *ac97)
{
	unsigned short val;

	/* CM9761 has no PCM volume although the register reacts */
	/* Master volume seems to have _some_ influence on the analog
	 * input sounds
	 */
	ac97->flags |= /*AC97_HAS_NO_MASTER_VOL |*/ AC97_HAS_NO_PCM_VOL;
	snd_ac97_write_cache(ac97, AC97_MASTER, 0x8808);
	snd_ac97_write_cache(ac97, AC97_PCM, 0x8808);

	ac97->spec.dev_flags = 0; /* 1 = model 82 revision B, 2 = model 83 */
	if (ac97->id == AC97_ID_CM9761_82) {
		unsigned short tmp;
		/* check page 1, reg 0x60 */
		val = snd_ac97_read(ac97, AC97_INT_PAGING);
		snd_ac97_write_cache(ac97, AC97_INT_PAGING, (val & ~0x0f) | 0x01);
		tmp = snd_ac97_read(ac97, 0x60);
		ac97->spec.dev_flags = tmp & 1; /* revision B? */
		snd_ac97_write_cache(ac97, AC97_INT_PAGING, val);
	} else if (ac97->id == AC97_ID_CM9761_83)
		ac97->spec.dev_flags = 2;

	ac97->build_ops = &patch_cm9761_ops;

	/* enable spdif */
	/* force the SPDIF bit in ext_id - codec doesn't set this bit! */
        ac97->ext_id |= AC97_EI_SPDIF;
	/* to be sure: we overwrite the ext status bits */
	snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, 0x05c0);
	/* Don't set 0x0200 here.  This results in the silent analog output */
	snd_ac97_write_cache(ac97, AC97_CM9761_SPDIF_CTRL, 0x0001); /* enable spdif-in */
	ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000; /* 48k only */

	/* set-up multi channel */
	/* bit 15: pc master beep off
	 * bit 14: pin47 = EAPD/SPDIF
	 * bit 13: vref ctl [= cm9739]
	 * bit 12: CLFE control (reverted on rev B)
	 * bit 11: Mic/center share (reverted on rev B)
	 * bit 10: suddound/line share
	 * bit  9: Analog-in mix -> surround
	 * bit  8: Analog-in mix -> CLFE
	 * bit  7: Mic/LFE share (mic/center/lfe)
	 * bit  5: vref select (9761A)
	 * bit  4: front control
	 * bit  3: surround control (revereted with rev B)
	 * bit  2: front mic
	 * bit  1: stereo mic
	 * bit  0: mic boost level (0=20dB, 1=30dB)
	 */

#if 0
	if (ac97->spec.dev_flags)
		val = 0x0214;
	else
		val = 0x321c;
#endif
	val = snd_ac97_read(ac97, AC97_CM9761_MULTI_CHAN);
	val |= (1 << 4); /* front on */
	snd_ac97_write_cache(ac97, AC97_CM9761_MULTI_CHAN, val);

	/* FIXME: set up GPIO */
	snd_ac97_write_cache(ac97, 0x70, 0x0100);
	snd_ac97_write_cache(ac97, 0x72, 0x0020);

	return 0;
}
       
#define AC97_CM9780_SIDE	0x60
#define AC97_CM9780_JACK	0x62
#define AC97_CM9780_MIXER	0x64
#define AC97_CM9780_MULTI_CHAN	0x66
#define AC97_CM9780_SPDIF	0x6c

static const char *cm9780_ch_select[] = { "Front", "Side", "Center/LFE", "Rear" };
static const struct ac97_enum cm9780_ch_select_enum =
	AC97_ENUM_SINGLE(AC97_CM9780_MULTI_CHAN, 6, 4, cm9780_ch_select);
static const struct snd_kcontrol_new cm9780_controls[] = {
	AC97_DOUBLE("Side Playback Switch", AC97_CM9780_SIDE, 15, 7, 1, 1),
	AC97_DOUBLE("Side Playback Volume", AC97_CM9780_SIDE, 8, 0, 31, 0),
	AC97_ENUM("Side Playback Route", cm9780_ch_select_enum),
};

static int patch_cm9780_specific(struct snd_ac97 *ac97)
{
	return patch_build_controls(ac97, cm9780_controls, ARRAY_SIZE(cm9780_controls));
}

static struct snd_ac97_build_ops patch_cm9780_ops = {
	.build_specific	= patch_cm9780_specific,
	.build_post_spdif = patch_cm9761_post_spdif	/* identical with CM9761 */
};

static int patch_cm9780(struct snd_ac97 *ac97)
{
	unsigned short val;

	ac97->build_ops = &patch_cm9780_ops;

	/* enable spdif */
	if (ac97->ext_id & AC97_EI_SPDIF) {
		ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000; /* 48k only */
		val = snd_ac97_read(ac97, AC97_CM9780_SPDIF);
		val |= 0x1; /* SPDI_EN */
		snd_ac97_write_cache(ac97, AC97_CM9780_SPDIF, val);
	}

	return 0;
}

/*
 * VIA VT1616 codec
 */
static const struct snd_kcontrol_new snd_ac97_controls_vt1616[] = {
AC97_SINGLE("DC Offset removal", 0x5a, 10, 1, 0),
AC97_SINGLE("Alternate Level to Surround Out", 0x5a, 15, 1, 0),
AC97_SINGLE("Downmix LFE and Center to Front", 0x5a, 12, 1, 0),
AC97_SINGLE("Downmix Surround to Front", 0x5a, 11, 1, 0),
};

static int patch_vt1616_specific(struct snd_ac97 * ac97)
{
	int err;

	if (snd_ac97_try_bit(ac97, 0x5a, 9))
		if ((err = patch_build_controls(ac97, &snd_ac97_controls_vt1616[0], 1)) < 0)
			return err;
	if ((err = patch_build_controls(ac97, &snd_ac97_controls_vt1616[1], ARRAY_SIZE(snd_ac97_controls_vt1616) - 1)) < 0)
		return err;
	return 0;
}

static struct snd_ac97_build_ops patch_vt1616_ops = {
	.build_specific	= patch_vt1616_specific
};

static int patch_vt1616(struct snd_ac97 * ac97)
{
	ac97->build_ops = &patch_vt1616_ops;
	return 0;
}

/*
 * VT1617A codec
 */
static int patch_vt1617a(struct snd_ac97 * ac97)
{
	/* bring analog power consumption to normal, like WinXP driver
	 * for EPIA SP
	 */
	snd_ac97_write_cache(ac97, 0x5c, 0x20);
	ac97->ext_id |= AC97_EI_SPDIF;	/* force the detection of spdif */
	ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000;
	ac97->build_ops = &patch_vt1616_ops;
	return 0;
}

/*
 */
static void it2646_update_jacks(struct snd_ac97 *ac97)
{
	/* shared Line-In / Surround Out */
	snd_ac97_update_bits(ac97, 0x76, 1 << 9,
			     is_shared_surrout(ac97) ? (1<<9) : 0);
	/* shared Mic / Center/LFE Out */
	snd_ac97_update_bits(ac97, 0x76, 1 << 10,
			     is_shared_clfeout(ac97) ? (1<<10) : 0);
}

static const struct snd_kcontrol_new snd_ac97_controls_it2646[] = {
	AC97_SURROUND_JACK_MODE_CTL,
	AC97_CHANNEL_MODE_CTL,
};

static const struct snd_kcontrol_new snd_ac97_spdif_controls_it2646[] = {
	AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0x76, 11, 1, 0),
	AC97_SINGLE("Analog to IEC958 Output", 0x76, 12, 1, 0),
	AC97_SINGLE("IEC958 Input Monitor", 0x76, 13, 1, 0),
};

static int patch_it2646_specific(struct snd_ac97 * ac97)
{
	int err;
	if ((err = patch_build_controls(ac97, snd_ac97_controls_it2646, ARRAY_SIZE(snd_ac97_controls_it2646))) < 0)
		return err;
	if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_it2646, ARRAY_SIZE(snd_ac97_spdif_controls_it2646))) < 0)
		return err;
	return 0;
}

static struct snd_ac97_build_ops patch_it2646_ops = {
	.build_specific	= patch_it2646_specific,
	.update_jacks = it2646_update_jacks
};

static int patch_it2646(struct snd_ac97 * ac97)
{
	ac97->build_ops = &patch_it2646_ops;
	/* full DAC volume */
	snd_ac97_write_cache(ac97, 0x5E, 0x0808);
	snd_ac97_write_cache(ac97, 0x7A, 0x0808);
	return 0;
}

/*
 * Si3036 codec
 */

#define AC97_SI3036_CHIP_ID     0x5a
#define AC97_SI3036_LINE_CFG    0x5c

static const struct snd_kcontrol_new snd_ac97_controls_si3036[] = {
AC97_DOUBLE("Modem Speaker Volume", 0x5c, 14, 12, 3, 1)
};

static int patch_si3036_specific(struct snd_ac97 * ac97)
{
	int idx, err;
	for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_si3036); idx++)
		if ((err = snd_ctl_add(ac97->bus->card, snd_ctl_new1(&snd_ac97_controls_si3036[idx], ac97))) < 0)
			return err;
	return 0;
}

static struct snd_ac97_build_ops patch_si3036_ops = {
	.build_specific	= patch_si3036_specific,
};

static int mpatch_si3036(struct snd_ac97 * ac97)
{
	ac97->build_ops = &patch_si3036_ops;
	snd_ac97_write_cache(ac97, 0x5c, 0xf210 );
	snd_ac97_write_cache(ac97, 0x68, 0);
	return 0;
}

/*
 * LM 4550 Codec
 *
 * We use a static resolution table since LM4550 codec cannot be
 * properly autoprobed to determine the resolution via
 * check_volume_resolution().
 */

static struct snd_ac97_res_table lm4550_restbl[] = {
	{ AC97_MASTER, 0x1f1f },
	{ AC97_HEADPHONE, 0x1f1f },
	{ AC97_MASTER_MONO, 0x001f },
	{ AC97_PC_BEEP, 0x001f },	/* LSB is ignored */
	{ AC97_PHONE, 0x001f },
	{ AC97_MIC, 0x001f },
	{ AC97_LINE, 0x1f1f },
	{ AC97_CD, 0x1f1f },
	{ AC97_VIDEO, 0x1f1f },
	{ AC97_AUX, 0x1f1f },
	{ AC97_PCM, 0x1f1f },
	{ AC97_REC_GAIN, 0x0f0f },
	{ } /* terminator */
};

static int patch_lm4550(struct snd_ac97 *ac97)
{
	ac97->res_table = lm4550_restbl;
	return 0;
}

/* 
 *  UCB1400 codec (http://www.semiconductors.philips.com/acrobat_download/datasheets/UCB1400-02.pdf)
 */
static const struct snd_kcontrol_new snd_ac97_controls_ucb1400[] = {
/* enable/disable headphone driver which allows direct connection to
   stereo headphone without the use of external DC blocking
   capacitors */
AC97_SINGLE("Headphone Driver", 0x6a, 6, 1, 0),
/* Filter used to compensate the DC offset is added in the ADC to remove idle
   tones from the audio band. */
AC97_SINGLE("DC Filter", 0x6a, 4, 1, 0),
/* Control smart-low-power mode feature. Allows automatic power down
   of unused blocks in the ADC analog front end and the PLL. */
AC97_SINGLE("Smart Low Power Mode", 0x6c, 4, 3, 0),
};

static int patch_ucb1400_specific(struct snd_ac97 * ac97)
{
	int idx, err;
	for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_ucb1400); idx++)
		if ((err = snd_ctl_add(ac97->bus->card, snd_ctl_new1(&snd_ac97_controls_ucb1400[idx], ac97))) < 0)
			return err;
	return 0;
}

static struct snd_ac97_build_ops patch_ucb1400_ops = {
	.build_specific	= patch_ucb1400_specific,
};

static int patch_ucb1400(struct snd_ac97 * ac97)
{
	ac97->build_ops = &patch_ucb1400_ops;
	/* enable headphone driver and smart low power mode by default */
	snd_ac97_write(ac97, 0x6a, 0x0050);
	snd_ac97_write(ac97, 0x6c, 0x0030);
	return 0;
}