[PATCH] ALSA: hda/realtek: Enable headset MIC of Acer AIO with ALC286

[Jian-Hong Pan]

Some Acer AIO desktops like Veriton Z6860G, Z4860G and Z4660G cannot
record sound from headset MIC.  This patch adds the
ALC286_FIXUP_ACER_AIO_HEADSET_MIC quirk to fix this issue.

Signed-off-by: Jian-Hong Pan <jian-h...@endlessm.com>
---
 sound/pci/hda/patch_realtek.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a63670013943..b3fbad5a680f 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5695,6 +5695,7 @@ enum {
        ALC285_FIXUP_LENOVO_PC_BEEP_IN_NOISE,
        ALC255_FIXUP_ACER_HEADSET_MIC,
        ALC295_FIXUP_CHROME_BOOK,
+       ALC286_FIXUP_ACER_AIO_HEADSET_MIC,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -6677,6 +6678,16 @@ static const struct hda_fixup alc269_fixups[] = {
                .chained = true,
                .chain_id = ALC225_FIXUP_HEADSET_JACK
        },
+       [ALC286_FIXUP_ACER_AIO_HEADSET_MIC] = {
+               .type = HDA_FIXUP_VERBS,
+               .v.verbs = (const struct hda_verb[]) {
+                       { 0x20, AC_VERB_SET_COEF_INDEX, 0x4f },
+                       { 0x20, AC_VERB_SET_PROC_COEF, 0xd429 },
+                       { }
+               },
+               .chained = true,
+               .chain_id = ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE
+       },
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -6693,9 +6704,9 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", 
ALC282_FIXUP_ASPIRE_V5_PINS),
        SND_PCI_QUIRK(0x1025, 0x102b, "Acer Aspire C24-860", 
ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1025, 0x106d, "Acer Cloudbook 14", 
ALC283_FIXUP_CHROME_BOOK),
-       SND_PCI_QUIRK(0x1025, 0x128f, "Acer Veriton Z6860G", 
ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE),
-       SND_PCI_QUIRK(0x1025, 0x1290, "Acer Veriton Z4860G", 
ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE),
-       SND_PCI_QUIRK(0x1025, 0x1291, "Acer Veriton Z4660G", 
ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE),
+       SND_PCI_QUIRK(0x1025, 0x128f, "Acer Veriton Z6860G", 
ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
+       SND_PCI_QUIRK(0x1025, 0x1290, "Acer Veriton Z4860G", 
ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
+       SND_PCI_QUIRK(0x1025, 0x1291, "Acer Veriton Z4660G", 
ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
        SND_PCI_QUIRK(0x1025, 0x1330, "Acer TravelMate X514-51T", 
ALC255_FIXUP_ACER_HEADSET_MIC),
        SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
        SND_PCI_QUIRK(0x1028, 0x054b, "Dell XPS one 2710", 
ALC275_FIXUP_DELL_XPS),
-- 
2.20.1