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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-10-06 16:01:27 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-10-06 16:01:27 +0100
commit907bc6c7fc7071b00083fc11e510e47dd93df45d (patch)
tree0697a608561522c00da9e1814974a2eb051bb96d /include/sound/tlv.h
parentd2b247a8be57647d1745535acd58169fbcbe431a (diff)
parent2a0f5cb32772e9a9560209e241a80bfbbc31dbc3 (diff)
Merge branch 'for-2.6.32' into for-2.6.33
Diffstat (limited to 'include/sound/tlv.h')
-rw-r--r--include/sound/tlv.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/sound/tlv.h b/include/sound/tlv.h
index d136ea2181e..9fd5b19ccf5 100644
--- a/include/sound/tlv.h
+++ b/include/sound/tlv.h
@@ -35,6 +35,8 @@
#define SNDRV_CTL_TLVT_DB_SCALE 1 /* dB scale */
#define SNDRV_CTL_TLVT_DB_LINEAR 2 /* linear volume */
#define SNDRV_CTL_TLVT_DB_RANGE 3 /* dB range container */
+#define SNDRV_CTL_TLVT_DB_MINMAX 4 /* dB scale with min/max */
+#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 /* dB scale with min/max with mute */
#define TLV_DB_SCALE_ITEM(min, step, mute) \
SNDRV_CTL_TLVT_DB_SCALE, 2 * sizeof(unsigned int), \
@@ -42,6 +44,18 @@
#define DECLARE_TLV_DB_SCALE(name, min, step, mute) \
unsigned int name[] = { TLV_DB_SCALE_ITEM(min, step, mute) }
+/* dB scale specified with min/max values instead of step */
+#define TLV_DB_MINMAX_ITEM(min_dB, max_dB) \
+ SNDRV_CTL_TLVT_DB_MINMAX, 2 * sizeof(unsigned int), \
+ (min_dB), (max_dB)
+#define TLV_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) \
+ SNDRV_CTL_TLVT_DB_MINMAX_MUTE, 2 * sizeof(unsigned int), \
+ (min_dB), (max_dB)
+#define DECLARE_TLV_DB_MINMAX(name, min_dB, max_dB) \
+ unsigned int name[] = { TLV_DB_MINMAX_ITEM(min_dB, max_dB) }
+#define DECLARE_TLV_DB_MINMAX_MUTE(name, min_dB, max_dB) \
+ unsigned int name[] = { TLV_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) }
+
/* linear volume between min_dB and max_dB (.01dB unit) */
#define TLV_DB_LINEAR_ITEM(min_dB, max_dB) \
SNDRV_CTL_TLVT_DB_LINEAR, 2 * sizeof(unsigned int), \