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>
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 6e1e711..a2537b2 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -85,6 +85,7 @@
CS420X_GPIO_13,
CS420X_GPIO_23,
CS420X_MBP101,
+ CS420X_MBP81,
CS420X_AUTO,
/* aliases */
CS420X_IMAC27_122 = CS420X_GPIO_23,
@@ -1294,6 +1295,7 @@
{ .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 @@
/*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 @@
.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)
