linux-kernel - [PATCH AUTOSEL 6.14 2/5] ALSA: hda/realtek - restore auto-mute mode for Dell Chrome platform

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Message-Id: <20250527023734.1017073-2-sashal@kernel.org>
Date: Mon, 26 May 2025 22:37:31 -0400
From: Sasha Levin <sashal@...nel.org>
To: patches@...ts.linux.dev,
	stable@...r.kernel.org
Cc: Kailang Yang <kailang@...ltek.com>,
	Takashi Iwai <tiwai@...e.de>,
	Sasha Levin <sashal@...nel.org>,
	perex@...ex.cz,
	tiwai@...e.com,
	sbinding@...nsource.cirrus.com,
	simont@...nsource.cirrus.com,
	josh@...huagrisham.com,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH AUTOSEL 6.14 2/5] ALSA: hda/realtek - restore auto-mute mode for Dell Chrome platform

From: Kailang Yang <kailang@...ltek.com>

[ Upstream commit 5ad8a4ddc45048bc2fe23b75357b6bf185db004f ]

This board need to shutdown Class-D amp to avoid EMI issue.
Restore the Auto-Mute mode item will off pin control when Auto-mute mode was enable.

Signed-off-by: Kailang Yang <kailang@...ltek.com>
Links: https://lore.kernel.org/ee8bbe5236464c369719d96269ba8ef8@realtek.com
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/pci/hda/patch_realtek.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 2ff02fb6f7e94..3421a3c69b49a 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6810,7 +6810,10 @@ static void alc256_fixup_chromebook(struct hda_codec *codec,
 
 	switch (action) {
 	case HDA_FIXUP_ACT_PRE_PROBE:
-		spec->gen.suppress_auto_mute = 1;
+		if (codec->core.subsystem_id == 0x10280d76)
+			spec->gen.suppress_auto_mute = 0;
+		else
+			spec->gen.suppress_auto_mute = 1;
 		spec->gen.suppress_auto_mic = 1;
 		spec->en_3kpull_low = false;
 		break;
-- 
2.39.5