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ALSA: hda - Add a fixup for internal mic on MacBook Pro 8,1 

The internal mic on MBP81 gives only the right channel, and the left
channel is static.  Add a verb to fix the ADC2 channel mode to expand
mono right to stereo.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=50781
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-11-23 08:34:13 +01:00
parent 98415eacb3
commit ffe4d12b15
1 changed files with 14 additions and 0 deletions
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14
sound/pci/hda/patch_cirrus.c
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@ -85,6 +85,7 @@ enum {
CS420X_GPIO_13,
CS420X_GPIO_23,
CS420X_MBP101,
CS420X_MBP81,
CS420X_AUTO,
/* aliases */
CS420X_IMAC27_122 = CS420X_GPIO_23,
@ -1294,6 +1295,7 @@ static const struct hda_model_fixup cs420x_models[] = {
{ .id = CS420X_IMAC27_122, .name = "imac27_122" },
{ .id = CS420X_APPLE, .name = "apple" },
{ .id = CS420X_MBP101, .name = "mbp101" },
{ .id = CS420X_MBP81, .name = "mbp81" },
{}
};
@ -1306,6 +1308,7 @@ static const struct snd_pci_quirk cs420x_fixup_tbl[] = {
/*SND_PCI_QUIRK(0x8086, 0x7270, "IMac 27 Inch", CS420X_IMAC27),*/
/* codec SSID */
SND_PCI_QUIRK(0x106b, 0x1c00, "MacBookPro 8,1", CS420X_MBP81),
SND_PCI_QUIRK(0x106b, 0x2000, "iMac 12,2", CS420X_IMAC27_122),
SND_PCI_QUIRK(0x106b, 0x2800, "MacBookPro 10,1", CS420X_MBP101),
SND_PCI_QUIRK_VENDOR(0x106b, "Apple", CS420X_APPLE),
@ -1418,6 +1421,17 @@ static const struct hda_fixup cs420x_fixups[] = {
.chained = true,
.chain_id = CS420X_GPIO_13,
},
[CS420X_MBP81] = {
.type = HDA_FIXUP_VERBS,
.v.verbs = (const struct hda_verb[]) {
/* internal mic ADC2: right only, single ended */
{0x11, AC_VERB_SET_COEF_INDEX, IDX_ADC_CFG},
{0x11, AC_VERB_SET_PROC_COEF, 0x102a},
{}
},
.chained = true,
.chain_id = CS420X_GPIO_13,
},
};
static int patch_cs420x(struct hda_codec *codec)