Headset Mic lose issue ALC256

Headset Mic lose issue ALC256

[Kailang]

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Hi Takashi,

New ChromeBook had Headset Mic issue.
Attach patch will solve it.

Many Thanks.
Kailang

[-- Attachment #2: 0000-2024y-new-chromebook.patch --]
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From fb1ae884dbe85140751f011cdf692096a6e813a7 Mon Sep 17 00:00:00 2001
From: Kailang Yang <kailang@realtek.com>
Date: Mon, 13 May 2024 16:38:11 +0800
Subject: [PATCH] ALSA: hda/realtek - fixed headset Mic not show

ALC256 run on SOF mode. Boot with plugged headset, the Headset Mic will be gone.
Plugged headset after boot. It had partial fail with Headset Mic detect.
Add spec->en_3kpull_low = false will solve all issues.

Signed-off-by: Kailang Yang <kailang@realtek.com>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bd1b824baae1..e1318d018119 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6535,6 +6535,20 @@ static void alc295_fixup_chromebook(struct hda_codec *codec,
 	}
 }
 
+static void alc256_fixup_chromebook(struct hda_codec *codec,
+				    const struct hda_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+
+	switch (action) {
+	case HDA_FIXUP_ACT_PRE_PROBE:
+		spec->gen.suppress_auto_mute = 1;
+		spec->gen.suppress_auto_mic = 1;
+		spec->en_3kpull_low = false;
+		break;
+	}
+}
+
 static void alc_fixup_disable_mic_vref(struct hda_codec *codec,
 				  const struct hda_fixup *fix, int action)
 {
@@ -7515,6 +7529,7 @@ enum {
 	ALC285_FIXUP_ASUS_GU605_SPI_2_HEADSET_MIC,
 	ALC285_FIXUP_ASUS_GU605_SPI_SPEAKER2_TO_DAC1,
 	ALC287_FIXUP_LENOVO_THKPAD_WH_ALC1318,
+	ALC256_FIXUP_CHROME_BOOK,
 };
 
 /* A special fixup for Lenovo C940 and Yoga Duet 7;
@@ -9797,6 +9812,12 @@ static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC269_FIXUP_THINKPAD_ACPI
 	},
+	[ALC256_FIXUP_CHROME_BOOK] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc256_fixup_chromebook,
+		.chained = true,
+		.chain_id = ALC225_FIXUP_HEADSET_JACK
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -10761,6 +10782,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = {
 	{.id = ALC295_FIXUP_HP_X360, .name = "alc295-hp-x360"},
 	{.id = ALC225_FIXUP_HEADSET_JACK, .name = "alc-headset-jack"},
 	{.id = ALC295_FIXUP_CHROME_BOOK, .name = "alc-chrome-book"},
+	{.id = ALC256_FIXUP_CHROME_BOOK, .name = "alc-2024y-chromebook"},
 	{.id = ALC299_FIXUP_PREDATOR_SPK, .name = "predator-spk"},
 	{.id = ALC298_FIXUP_HUAWEI_MBX_STEREO, .name = "huawei-mbx-stereo"},
 	{.id = ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE, .name = "alc256-medion-headset"},

Re: Headset Mic lose issue ALC256

[Takashi Iwai]

On Mon, 13 May 2024 11:10:45 +0200,
Kailang wrote:
> 
> Hi Takashi,
> 
> New ChromeBook had Headset Mic issue.
> Attach patch will solve it.

Thanks, applied now.


Takashi