[PATCH] ALSA: hda/realtek: Add fixup for Huawei MateBook X Pro 2019 (MACHR-WX9)

[Zhang Heng]

On the MACHR-WX9 (ALC256, PCI SSID 19e5:3e13) the BIOS pin table
disables the main speaker pair (pin 0x14), so only the tweeters on
0x1b play.  Reusing the MACH_WX9 (19e5:3204) pin table restores all
four speakers.

Pin 0x19 (headset mic) has broken presence detect on this board: it
reports "plugged" even with the jack empty, so auto-mic routes capture
to the empty jack and the internal mic goes silent.  Setting NO_PRESENCE
on 0x19 (0x04a11140) suppresses the false reading.  Chaining to
ALC269_FIXUP_HEADSET_MODE then infers headset-mic presence from the
headphone jack (pin 0x21), whose detection works correctly.

Add ALC256_FIXUP_HUAWEI_MACHR_WX9_PINS with the MACH_WX9 pin table,
chained to ALC269_FIXUP_HEADSET_MODE, registered for PCI SSID 19e5:3e13.

Closes: https://bugzilla.kernel.org/show_bug.cgi?id=222126
Signed-off-by: Zhang Heng <zhangheng@xxxxxxxxxx>
---
 sound/hda/codecs/realtek/alc269.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index 799a5a7a8ed0..2c8288b9024e 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -4280,6 +4280,7 @@ enum {
 	ALC255_FIXUP_DUMMY_LINEOUT_VERB,
 	ALC255_FIXUP_DELL_HEADSET_MIC,
 	ALC256_FIXUP_HUAWEI_MACH_WX9_PINS,
+	ALC256_FIXUP_HUAWEI_MACHR_WX9_PINS,
 	ALC298_FIXUP_HUAWEI_MBX_STEREO,
 	ALC295_FIXUP_HP_X360,
 	ALC295_FIXUP_HP_PAVILION_X360,
@@ -4991,6 +4992,24 @@ static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC255_FIXUP_MIC_MUTE_LED
 	},
+	[ALC256_FIXUP_HUAWEI_MACHR_WX9_PINS] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			{0x12, 0x90a60130},
+			{0x13, 0x40000000},
+			{0x14, 0x90170110},
+			{0x18, 0x411111f0},
+			{0x19, 0x04a11140}, /* use as headset mic, without its own jack detect */
+			{0x1a, 0x411111f0},
+			{0x1b, 0x90170112},
+			{0x1d, 0x40759a05},
+			{0x1e, 0x411111f0},
+			{0x21, 0x04211020},
+			{ }
+		},
+		.chained = true,
+		.chain_id = ALC269_FIXUP_HEADSET_MODE
+	},
 	[ALC298_FIXUP_HUAWEI_MBX_STEREO] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc298_fixup_huawei_mbx_stereo,
@@ -8580,6 +8599,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS),
 	SND_PCI_QUIRK(0x19e5, 0x320f, "Huawei WRT-WX9 ", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x19e5, 0x3212, "Huawei KLV-WX9 ", ALC256_FIXUP_ACER_HEADSET_MIC),
+	SND_PCI_QUIRK(0x19e5, 0x3e13, "Huawei MACHR-WX9", ALC256_FIXUP_HUAWEI_MACHR_WX9_PINS),
 	SND_PCI_QUIRK(0x1a58, 0x2023, "Razer Blade 16 (2025)",
 		      ALC298_FIXUP_RAZER_BLADE16_2025_PINS),
 	SND_PCI_QUIRK(0x1a58, 0x300e, "Razer Blade 16 (2025)",
-- 
2.25.1