linux-kernel - [PATCH] ALSA: hda/realtek: add quirk for Acer Nitro ANV15-51

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Message-ID: <20260209134149.3076957-1-zhangheng@kylinos.cn>
Date: Mon,  9 Feb 2026 21:41:49 +0800
From: Zhang Heng <zhangheng@...inos.cn>
To: perex@...ex.cz,
	tiwai@...e.com,
	sbinding@...nsource.cirrus.com,
	kailang@...ltek.com,
	chris.chiu@...onical.com
Cc: linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Zhang Heng <zhangheng@...inos.cn>,
	stable@...r.kernel.org
Subject: [PATCH] ALSA: hda/realtek: add quirk for Acer Nitro ANV15-51

fix mute/micmute LEDs and headset microphone for Acer Nitro ANV15-51.

[ The headset microphone issue is solved by Kailang]

Link: https://bugzilla.kernel.org/show_bug.cgi?id=220279
Cc: <stable@...r.kernel.org>
Signed-off-by: Zhang Heng <zhangheng@...inos.cn>
---
There is a small issue now, the mute LED stays on when I mute the
laptop microphone, unmute the headphone microphone, and set the
headphone mic as default. Is it possible to fix this?

 sound/hda/codecs/realtek/alc269.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index c4228d982271..1c11f7c3b193 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -4047,6 +4047,7 @@ enum {
 	ALC236_FIXUP_HP_MUTE_LED_MICMUTE_GPIO,
 	ALC233_FIXUP_LENOVO_GPIO2_MIC_HOTKEY,
 	ALC245_FIXUP_BASS_HP_DAC,
+	ALC245_FIXUP_ACER_MICMUTE_LED,
 };
 
 /* A special fixup for Lenovo C940 and Yoga Duet 7;
@@ -6554,6 +6555,12 @@ static const struct hda_fixup alc269_fixups[] = {
 		/* Borrow the DAC routing selected for those Thinkpads */
 		.v.func = alc285_fixup_thinkpad_x1_gen7,
 	},
+	[ALC245_FIXUP_ACER_MICMUTE_LED] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc285_fixup_hp_coef_micmute_led,
+		.chained = true,
+		.chain_id = ALC2XX_FIXUP_HEADSET_MIC,
+	}
 };
 
 static const struct hda_quirk alc269_fixup_tbl[] = {
@@ -6605,6 +6612,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1025, 0x159c, "Acer Nitro 5 AN515-58", ALC2XX_FIXUP_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1025, 0x1597, "Acer Nitro 5 AN517-55", ALC2XX_FIXUP_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1025, 0x169a, "Acer Swift SFG16", ALC256_FIXUP_ACER_SFG16_MICMUTE_LED),
+	SND_PCI_QUIRK(0x1025, 0x171e, "Acer Nitro ANV15-51", ALC245_FIXUP_ACER_MICMUTE_LED),
 	SND_PCI_QUIRK(0x1025, 0x1826, "Acer Helios ZPC", ALC287_FIXUP_PREDATOR_SPK_CS35L41_I2C_2),
 	SND_PCI_QUIRK(0x1025, 0x182c, "Acer Helios ZPD", ALC287_FIXUP_PREDATOR_SPK_CS35L41_I2C_2),
 	SND_PCI_QUIRK(0x1025, 0x1844, "Acer Helios ZPS", ALC287_FIXUP_PREDATOR_SPK_CS35L41_I2C_2),
-- 
2.47.1