linux-kernel - [PATCH 4.2.y-ckt 04/70] ALSA: hda - Fix white noise on Asus N750JV headphone

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Message-Id: <1460494375-30070-5-git-send-email-kamal@canonical.com>
Date:	Tue, 12 Apr 2016 13:51:49 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Bobi Mihalca <bobbymihalca@...chtech.ro>,
	Takashi Iwai <tiwai@...e.de>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 4.2.y-ckt 04/70] ALSA: hda - Fix white noise on Asus N750JV headphone

4.2.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Bobi Mihalca <bobbymihalca@...chtech.ro>

commit 9d4dc5840f93bcb002fa311693349deae7702bc5 upstream.

For reducing the noise from the headphone output on ASUS N750JV,
call the existing fixup, alc_fixup_auto_mute_via_amp(), additionally.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=115181
Signed-off-by: Bobi Mihalca <bobbymihalca@...chtech.ro>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 sound/pci/hda/patch_realtek.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a04b160..f9edb2d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6550,6 +6550,7 @@ enum {
 	ALC668_FIXUP_AUTO_MUTE,
 	ALC668_FIXUP_DELL_DISABLE_AAMIX,
 	ALC668_FIXUP_DELL_XPS13,
+	ALC662_FIXUP_ASUS_Nx50,
 };
 
 static const struct hda_fixup alc662_fixups[] = {
@@ -6790,6 +6791,12 @@ static const struct hda_fixup alc662_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc_fixup_bass_chmap,
 	},
+	[ALC662_FIXUP_ASUS_Nx50] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc_fixup_auto_mute_via_amp,
+		.chained = true,
+		.chain_id = ALC662_FIXUP_BASS_1A
+	},
 };
 
 static const struct snd_pci_quirk alc662_fixup_tbl[] = {
@@ -6814,7 +6821,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x1632, "HP RP5800", ALC662_FIXUP_HP_RP5800),
 	SND_PCI_QUIRK(0x1043, 0x11cd, "Asus N550", ALC662_FIXUP_BASS_1A),
 	SND_PCI_QUIRK(0x1043, 0x13df, "Asus N550JX", ALC662_FIXUP_BASS_1A),
-	SND_PCI_QUIRK(0x1043, 0x129d, "Asus N750", ALC662_FIXUP_BASS_1A),
+	SND_PCI_QUIRK(0x1043, 0x129d, "Asus N750", ALC662_FIXUP_ASUS_Nx50),
 	SND_PCI_QUIRK(0x1043, 0x1477, "ASUS N56VZ", ALC662_FIXUP_BASS_MODE4_CHMAP),
 	SND_PCI_QUIRK(0x1043, 0x15a7, "ASUS UX51VZH", ALC662_FIXUP_BASS_16),
 	SND_PCI_QUIRK(0x1043, 0x1b73, "ASUS N55SF", ALC662_FIXUP_BASS_16),
-- 
2.7.4