diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 048cb84721f..7997e13b59a 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -285,6 +285,10 @@ struct alc_spec { #ifdef CONFIG_SND_HDA_POWER_SAVE struct hda_loopback_check loopback; #endif + + /* for PLL fix */ + hda_nid_t pll_nid; + unsigned int pll_coef_idx, pll_coef_bit; }; /* @@ -752,6 +756,38 @@ static struct hda_verb alc_gpio3_init_verbs[] = { { } }; +/* + * Fix hardware PLL issue + * On some codecs, the analog PLL gating control must be off while + * the default value is 1. + */ +static void alc_fix_pll(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + unsigned int val; + + if (!spec->pll_nid) + return; + snd_hda_codec_write(codec, spec->pll_nid, 0, AC_VERB_SET_COEF_INDEX, + spec->pll_coef_idx); + val = snd_hda_codec_read(codec, spec->pll_nid, 0, + AC_VERB_GET_PROC_COEF, 0); + snd_hda_codec_write(codec, spec->pll_nid, 0, AC_VERB_SET_COEF_INDEX, + spec->pll_coef_idx); + snd_hda_codec_write(codec, spec->pll_nid, 0, AC_VERB_SET_PROC_COEF, + val & ~(1 << spec->pll_coef_bit)); +} + +static void alc_fix_pll_init(struct hda_codec *codec, hda_nid_t nid, + unsigned int coef_idx, unsigned int coef_bit) +{ + struct alc_spec *spec = codec->spec; + spec->pll_nid = nid; + spec->pll_coef_idx = coef_idx; + spec->pll_coef_bit = coef_bit; + alc_fix_pll(codec); +} + static void alc_sku_automute(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; @@ -2400,6 +2436,8 @@ static int alc_init(struct hda_codec *codec) struct alc_spec *spec = codec->spec; unsigned int i; + alc_fix_pll(codec); + for (i = 0; i < spec->num_init_verbs; i++) snd_hda_sequence_write(codec, spec->init_verbs[i]); @@ -8286,6 +8324,8 @@ static int patch_alc883(struct hda_codec *codec) codec->spec = spec; + alc_fix_pll_init(codec, 0x20, 0x0a, 10); + board_config = snd_hda_check_board_config(codec, ALC883_MODEL_LAST, alc883_models, alc883_cfg_tbl); @@ -9886,6 +9926,8 @@ static int patch_alc262(struct hda_codec *codec) } #endif + alc_fix_pll_init(codec, 0x20, 0x0a, 10); + board_config = snd_hda_check_board_config(codec, ALC262_MODEL_LAST, alc262_models, alc262_cfg_tbl); @@ -11196,6 +11238,8 @@ static int patch_alc269(struct hda_codec *codec) codec->spec = spec; + alc_fix_pll_init(codec, 0x20, 0x04, 15); + board_config = snd_hda_check_board_config(codec, ALC269_MODEL_LAST, alc269_models, alc269_cfg_tbl); @@ -14531,6 +14575,8 @@ static int patch_alc662(struct hda_codec *codec) codec->spec = spec; + alc_fix_pll_init(codec, 0x20, 0x04, 15); + board_config = snd_hda_check_board_config(codec, ALC662_MODEL_LAST, alc662_models, alc662_cfg_tbl); |