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Commit ffe4d12b authored by Takashi Iwai's avatar Takashi Iwai
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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: default avatarTakashi Iwai <tiwai@suse.de>
parent 98415eac

sound/pci/hda/patch_cirrus.c

+14 −0
Original line number Diff line number Diff line
@@ -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)