linux-kernel - [PATCH] ALSA: hda/realtek - Enable the headset of ASUS B9450FA with ALC294

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Date:   Tue, 25 Feb 2020 15:29:21 +0800
From:   Jian-Hong Pan <jian-hong@...lessm.com>
To:     Takashi Iwai <tiwai@...e.com>
Cc:     Kailang Yang <kailang@...ltek.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, linux@...lessm.com,
        Jian-Hong Pan <jian-hong@...lessm.com>
Subject: [PATCH] ALSA: hda/realtek - Enable the headset of ASUS B9450FA with ALC294

A headset on the laptop like ASUS B9450FA does not work, until quirk
ALC294_FIXUP_ASUS_HPE is applied.

Signed-off-by: Jian-Hong Pan <jian-hong@...lessm.com>
Singed-off-by: Kailang Yang <kailang@...ltek.com>
---
 sound/pci/hda/patch_realtek.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 477589e7ec1d..a47f6404aea9 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5920,7 +5920,7 @@ enum {
 	ALC289_FIXUP_DUAL_SPK,
 	ALC294_FIXUP_SPK2_TO_DAC1,
 	ALC294_FIXUP_ASUS_DUAL_SPK,
-
+	ALC294_FIXUP_ASUS_HPE,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -7040,7 +7040,17 @@ static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC294_FIXUP_SPK2_TO_DAC1
 	},
-
+	[ALC294_FIXUP_ASUS_HPE] = {
+		.type = HDA_FIXUP_VERBS,
+		.v.verbs = (const struct hda_verb[]) {
+			/* Set EAPD high */
+			{ 0x20, AC_VERB_SET_COEF_INDEX, 0x0f },
+			{ 0x20, AC_VERB_SET_PROC_COEF, 0x7774 },
+			{ }
+		},
+		.chained = true,
+		.chain_id = ALC294_FIXUP_ASUS_HEADSET_MIC
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -7204,6 +7214,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x1043, 0x17d1, "ASUS UX431FL", ALC294_FIXUP_ASUS_DUAL_SPK),
 	SND_PCI_QUIRK(0x1043, 0x18b1, "Asus MJ401TA", ALC256_FIXUP_ASUS_HEADSET_MIC),
+	SND_PCI_QUIRK(0x1043, 0x19ce, "ASUS B9450FA", ALC294_FIXUP_ASUS_HPE),
 	SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW),
 	SND_PCI_QUIRK(0x1043, 0x1a30, "ASUS X705UD", ALC256_FIXUP_ASUS_MIC),
 	SND_PCI_QUIRK(0x1043, 0x1b13, "Asus U41SV", ALC269_FIXUP_INV_DMIC),
-- 
2.25.1