linux-kernel - [PATCH 3.16 162/217] ALSA: hda - fix front mic problem for a HP desktop

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Date:	Wed, 27 Apr 2016 01:02:21 +0200
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Takashi Iwai" <tiwai@...e.de>,
	"Hui Wang" <hui.wang@...onical.com>
Subject: [PATCH 3.16 162/217] ALSA: hda - fix front mic problem for a HP
 desktop

3.16.35-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Hui Wang <hui.wang@...onical.com>

commit e549d190f7b5f94e9ab36bd965028112914d010d upstream.

The front mic jack (pink color) can't detect any plug or unplug. After
applying this fix, both detecting function and recording function
work well.

BugLink: https://bugs.launchpad.net/bugs/1564712
Signed-off-by: Hui Wang <hui.wang@...onical.com>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 sound/pci/hda/patch_realtek.c | 9 +++++++++
 1 file changed, 9 insertions(+)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4343,6 +4343,7 @@ enum {
 	ALC293_FIXUP_LENOVO_SPK_NOISE,
 	ALC255_FIXUP_DELL_SPK_NOISE,
 	ALC280_FIXUP_HP_HEADSET_MIC,
+	ALC221_FIXUP_HP_FRONT_MIC,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -4841,6 +4842,13 @@ static const struct hda_fixup alc269_fix
 		.chained = true,
 		.chain_id = ALC269_FIXUP_HEADSET_MIC,
 	},
+	[ALC221_FIXUP_HP_FRONT_MIC] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			{ 0x19, 0x02a19020 }, /* Front Mic */
+			{ }
+		},
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -4960,6 +4968,7 @@ static const struct snd_pci_quirk alc269
 	SND_PCI_QUIRK(0x103c, 0x2337, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1),
 	SND_PCI_QUIRK_VENDOR(0x103c, "HP", ALC269_FIXUP_HP_MUTE_LED),
 	SND_PCI_QUIRK(0x103c, 0x221c, "HP EliteBook 755 G2", ALC280_FIXUP_HP_HEADSET_MIC),
+	SND_PCI_QUIRK(0x103c, 0x8256, "HP", ALC221_FIXUP_HP_FRONT_MIC),
 	SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300),
 	SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
 	SND_PCI_QUIRK(0x1043, 0x115d, "Asus 1015E", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),