Thinkpad with ALC1318 has a chance of damaging the IC

[Kailang <kailang@realtek.com>]

[-- Attachment #1: Type: text/plain, Size: 100 bytes --]

Hi Takashi,

Thinkpad with ALC1318 has a chance of damaging the IC at S4 resume.

BR,
Kailang

[-- Attachment #2: 0000-alc287-tp-with-alc1318.patch --]
[-- Type: application/octet-stream, Size: 2747 bytes --]

From 14c51609c8c237e35bc7ed31ae28e33a726170f4 Mon Sep 17 00:00:00 2001
From: Kailang Yang <kailang@realtek.com>
Date: Wed, 10 Apr 2024 16:57:28 +0800
Subject: [PATCH] ALSA: hda/realtek - Set GPIO3 to default at S4 state for Thinkpad with ALC1318

There is a chance of damaging the IC when S4 resume.
Thinkpad with ALC1318 platform need to add this workaround.

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 d6940bc4ec39..dbc7756eb980 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7183,6 +7183,24 @@ static void alc245_fixup_hp_spectre_x360_eu0xxx(struct hda_codec *codec,
 	alc245_fixup_hp_gpio_led(codec, fix, action);
 }
 
+static void alc287_s4_power_gpio3_default(struct hda_codec *codec)
+{
+	if (codec->core.dev.power.power_state == PMSG_FREEZE) {
+		alc_write_coef_idx(codec, 0x10, 0x8806); /* Change MCLK to GPIO3 */
+		alc_write_coefex_idx(codec, 0x5a, 0x00, 0x554f); /* write gpio3 as default value */
+	}
+}
+
+static void alc287_fixup_lenovo_thinkpad_with_alc1318(struct hda_codec *codec,
+			       const struct hda_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+
+	if (action != HDA_FIXUP_ACT_PRE_PROBE)
+		return;
+	spec->power_hook = alc287_s4_power_gpio3_default;
+}
+
 
 enum {
 	ALC269_FIXUP_GPIO2,
@@ -7467,6 +7485,7 @@ enum {
 	ALC285_FIXUP_CS35L56_I2C_2,
 	ALC285_FIXUP_CS35L56_I2C_4,
 	ALC285_FIXUP_ASUS_GA403U,
+	ALC287_FIXUP_LENOVO_THKPAD_WH_ALC1318,
 };
 
 /* A special fixup for Lenovo C940 and Yoga Duet 7;
@@ -9690,6 +9709,10 @@ static const struct hda_fixup alc269_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc285_fixup_asus_ga403u,
 	},
+	[ALC287_FIXUP_LENOVO_THKPAD_WH_ALC1318] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc287_fixup_lenovo_thinkpad_with_alc1318,
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -10355,6 +10378,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x17aa, 0x2318, "Thinkpad Z13 Gen2", ALC287_FIXUP_MG_RTKC_CSAMP_CS35L41_I2C_THINKPAD),
 	SND_PCI_QUIRK(0x17aa, 0x2319, "Thinkpad Z16 Gen2", ALC287_FIXUP_MG_RTKC_CSAMP_CS35L41_I2C_THINKPAD),
 	SND_PCI_QUIRK(0x17aa, 0x231a, "Thinkpad Z16 Gen2", ALC287_FIXUP_MG_RTKC_CSAMP_CS35L41_I2C_THINKPAD),
+	SND_PCI_QUIRK(0x17aa, 0x231e, "Thinkpad", ALC287_FIXUP_LENOVO_THKPAD_WH_ALC1318),
+	SND_PCI_QUIRK(0x17aa, 0x231f, "Thinkpad", ALC287_FIXUP_LENOVO_THKPAD_WH_ALC1318),
 	SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
 	SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
 	SND_PCI_QUIRK(0x17aa, 0x310c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),