From: Kailang <kailang@realtek.com>
To: "Takashi Iwai (tiwai@suse.de)" <tiwai@suse.de>
Cc: " (alsa-devel@alsa-project.org)" <alsa-devel@alsa-project.org>,
"linux-sound@vger.kernel.org" <linux-sound@vger.kernel.org>
Subject: Remove Headphone MIC support
Date: Thu, 12 Nov 2026 07:59:14 +0000 [thread overview]
Message-ID: <3c8129fbfa6d4ee2b464735f2f31dffa@realtek.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 203 bytes --]
Hi Takashi,
Dell QC DT unit don't support Headphone MIC.
This patch was changed model to NO Headphone MIC model.
This modify also fixed headphone popping noise issue.
Many Thanks.
BR,
Kailang
[-- Attachment #2: 0000-dell-QCDT-r-hp-MIC.patch --]
[-- Type: application/octet-stream, Size: 3041 bytes --]
From 8e18d4f8ae308c6556e8cd11de0b9b79f6cfb194 Mon Sep 17 00:00:00 2001
From: Kailang Yang <kailang@realtek.com>
Date: Thu, 12 Nov 2026 15:32:16 +0800
Subject: [PATCH] ALSA: hda/realtek - remove headphone MIC support for Dell Pro QC1255
This unit don't support headphone MIC.
The popping sound will disappear when you remove it.
Fixes: 97272a5704bf ("ALSA: hda/realtek - Fixed Headphone noise issue for Dell QCM1255")
Signed-off-by: Kailang Yang <kailang@realtek.com>
diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index a756e0076021..56c8e9e82b7e 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -4542,7 +4542,6 @@ enum {
ALC256_FIXUP_HONOR_DRA_XX_HEADSET_MODE,
ALC245_FIXUP_HP_ENVY_X360_15_FH0XXX,
ALC287_FIXUP_ACER_MICMUTE_LED,
- ALC236_FIXUP_DELL_HP_POP_NOISE,
ALC274_FIXUP_HP_89E9_GPIO,
ALC274_FIXUP_HP_VERBS,
ALC287_FIXUP_AW88399_I2C_2,
@@ -7408,12 +7407,6 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC2XX_FIXUP_HEADSET_MIC,
},
- [ALC236_FIXUP_DELL_HP_POP_NOISE] = {
- .type = HDA_FIXUP_FUNC,
- .v.func = alc285_fixup_invalidate_dacs,
- .chained = true,
- .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
- },
[ALC274_FIXUP_HP_89E9_GPIO] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc274_fixup_hp_89e9_amp,
@@ -7652,12 +7645,12 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x0cc3, "Dell Oasis 14 Low Weight MTL-U", ALC289_FIXUP_DELL_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1028, 0x0cc4, "Dell Oasis 16 MTL-H/U", ALC289_FIXUP_DELL_CS35L41_SPI_2),
SND_PCI_QUIRK(0x1028, 0x0cc5, "Dell Oasis 14", ALC289_FIXUP_RTK_AMP_DUAL_SPK),
- SND_PCI_QUIRK(0x1028, 0x0d56, "Dell Pro Tower QCT1255", ALC236_FIXUP_DELL_HP_POP_NOISE),
- SND_PCI_QUIRK(0x1028, 0x0d58, "Dell Pro Micro QCM1255", ALC236_FIXUP_DELL_HP_POP_NOISE),
- SND_PCI_QUIRK(0x1028, 0x0d5a, "Dell Pro Slim QCS1255", ALC236_FIXUP_DELL_HP_POP_NOISE),
- SND_PCI_QUIRK(0x1028, 0x0e6b, "Dell Pro Tower QCT1255", ALC236_FIXUP_DELL_HP_POP_NOISE),
- SND_PCI_QUIRK(0x1028, 0x0e6c, "Dell Pro Slim QCS1255", ALC236_FIXUP_DELL_HP_POP_NOISE),
- SND_PCI_QUIRK(0x1028, 0x0e6d, "Dell Pro Micro QCM1255", ALC236_FIXUP_DELL_HP_POP_NOISE),
+ SND_PCI_QUIRK(0x1028, 0x0d56, "Dell Pro Tower QCT1255", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x0d58, "Dell Pro Micro QCM1255", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x0d5a, "Dell Pro Slim QCS1255", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x0e6b, "Dell Pro Tower QCT1255", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x0e6c, "Dell Pro Slim QCS1255", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1028, 0x0e6d, "Dell Pro Micro QCM1255", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2),
next reply other threads:[~2026-11-12 7:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-12 7:59 Kailang [this message]
2026-11-12 8:07 ` Remove Headphone MIC support sashiko-bot
2026-11-12 12:39 ` Takashi Iwai
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