[alsa-devel] [PATCH] ALSA: hda - fix headset mic problem for Dell machines with alc236

Hui Wang hui.wang at canonical.com
Tue Oct 24 10:53:34 CEST 2017


We have several Dell laptops which use the codec alc236, the headset
mic can't work on these machines. Following the commit 736f20a70, we
add the pin cfg table to make the headset mic work.

Cc: <stable at vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang at canonical.com>
---
 sound/pci/hda/patch_realtek.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 701eb7d..02c79d6 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6429,6 +6429,14 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
 		ALC225_STANDARD_PINS,
 		{0x12, 0xb7a60130},
 		{0x1b, 0x90170110}),
+	SND_HDA_PIN_QUIRK(0x10ec0236, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+		{0x12, 0x90a60140},
+		{0x14, 0x90170110},
+		{0x21, 0x02211020}),
+	SND_HDA_PIN_QUIRK(0x10ec0236, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+		{0x12, 0x90a60140},
+		{0x14, 0x90170150},
+		{0x21, 0x02211020}),
 	SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE,
 		{0x14, 0x90170110},
 		{0x21, 0x02211020}),
-- 
2.7.4



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