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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Takashi Iwai <tiwai@suse.de>
Subject: [PATCH 5.12 055/127] ALSA: hda/realtek: Fix silent headphone output on ASUS UX430UA
Date:   Mon, 24 May 2021 17:26:12 +0200
Message-Id: <20210524152336.700961953@linuxfoundation.org>
In-Reply-To: <20210524152334.857620285@linuxfoundation.org>
References: <20210524152334.857620285@linuxfoundation.org>
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From: Takashi Iwai <tiwai@suse.de>

commit 8eedd3a70a70f51fa963f3ad7fa97afd0c75bd44 upstream.

It was reported that the headphone output on ASUS UX430UA (SSID
1043:1740) with ALC295 codec is silent while the speaker works.
After the investigation, it turned out that the DAC assignment has to
be fixed on this machine; unlike others, it expects DAC 0x02 to be
assigned to the speaker pin 0x07 while DAC 0x03 to headphone pin
0x21.

This patch provides a fixup for the fixed DAC/pin mapping for this
device.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=212933
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210504082057.6913-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 sound/pci/hda/patch_realtek.c |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5720,6 +5720,18 @@ static void alc_fixup_tpt470_dacs(struct
 		spec->gen.preferred_dacs = preferred_pairs;
 }
 
+static void alc295_fixup_asus_dacs(struct hda_codec *codec,
+				   const struct hda_fixup *fix, int action)
+{
+	static const hda_nid_t preferred_pairs[] = {
+		0x17, 0x02, 0x21, 0x03, 0
+	};
+	struct alc_spec *spec = codec->spec;
+
+	if (action == HDA_FIXUP_ACT_PRE_PROBE)
+		spec->gen.preferred_dacs = preferred_pairs;
+}
+
 static void alc_shutup_dell_xps13(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
@@ -6520,6 +6532,7 @@ enum {
 	ALC255_FIXUP_ACER_LIMIT_INT_MIC_BOOST,
 	ALC256_FIXUP_ACER_HEADSET_MIC,
 	ALC285_FIXUP_IDEAPAD_S740_COEF,
+	ALC295_FIXUP_ASUS_DACS,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -8047,6 +8060,10 @@ static const struct hda_fixup alc269_fix
 		.chained = true,
 		.chain_id = ALC269_FIXUP_THINKPAD_ACPI,
 	},
+	[ALC295_FIXUP_ASUS_DACS] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc295_fixup_asus_dacs,
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -8245,6 +8262,7 @@ static const struct snd_pci_quirk alc269
 	SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_ASUS_ZENBOOK),
 	SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_ASUS_ZENBOOK_UX31A),
 	SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC),
+	SND_PCI_QUIRK(0x1043, 0x1740, "ASUS UX430UA", ALC295_FIXUP_ASUS_DACS),
 	SND_PCI_QUIRK(0x1043, 0x17d1, "ASUS UX431FL", ALC294_FIXUP_ASUS_DUAL_SPK),
 	SND_PCI_QUIRK(0x1043, 0x1881, "ASUS Zephyrus S/M", ALC294_FIXUP_ASUS_GX502_PINS),
 	SND_PCI_QUIRK(0x1043, 0x18b1, "Asus MJ401TA", ALC256_FIXUP_ASUS_HEADSET_MIC),