[Unstable] [PATCH 1/1] UBUNTU: SAUCE: hda/realtek: Fix right speaker of HP laptop

Kai-Heng Feng kai.heng.feng at canonical.com
Wed Jul 29 08:32:03 UTC 2020


BugLink: https://bugs.launchpad.net/bugs/1889375

We need to use vendor-specific COEF to pull up the AMP which can drive
the right speaker of HP laptop.

This patch is from Realtek.

Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
---
 sound/pci/hda/patch_realtek.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 809ed08e026d..71d243c38498 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5963,6 +5963,16 @@ static void alc_fixup_disable_mic_vref(struct hda_codec *codec,
 		snd_hda_codec_set_pin_target(codec, 0x19, PIN_VREFHIZ);
 }
 
+static void  alc285_fixup_hp_gpio_amp_init(struct hda_codec *codec,
+			      const struct hda_fixup *fix, int action)
+{
+	if (action != HDA_FIXUP_ACT_INIT)
+		return;
+
+	msleep(100);
+	alc_write_coef_idx(codec, 0x65, 0x0);
+}
+
 /* for hda_fixup_thinkpad_acpi() */
 #include "thinkpad_helper.c"
 
@@ -6142,6 +6152,7 @@ enum {
 	ALC269VC_FIXUP_ACER_MIC_NO_PRESENCE,
 	ALC289_FIXUP_ASUS_G401,
 	ALC256_FIXUP_ACER_MIC_NO_PRESENCE,
+	ALC285_FIXUP_HP_GPIO_AMP_INIT,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -7367,6 +7378,12 @@ static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC256_FIXUP_ASUS_HEADSET_MODE
 	},
+	[ALC285_FIXUP_HP_GPIO_AMP_INIT] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc285_fixup_hp_gpio_amp_init,
+		.chained = true,
+		.chain_id = ALC285_FIXUP_HP_GPIO_LED
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -7517,7 +7534,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x84e7, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3),
 	SND_PCI_QUIRK(0x103c, 0x869d, "HP", ALC236_FIXUP_HP_MUTE_LED),
 	SND_PCI_QUIRK(0x103c, 0x8729, "HP", ALC285_FIXUP_HP_GPIO_LED),
-	SND_PCI_QUIRK(0x103c, 0x8736, "HP", ALC285_FIXUP_HP_GPIO_LED),
+	SND_PCI_QUIRK(0x103c, 0x8736, "HP", ALC285_FIXUP_HP_GPIO_AMP_INIT),
 	SND_PCI_QUIRK(0x103c, 0x877a, "HP", ALC285_FIXUP_HP_MUTE_LED),
 	SND_PCI_QUIRK(0x103c, 0x877d, "HP", ALC236_FIXUP_HP_MUTE_LED),
 	SND_PCI_QUIRK(0x1043, 0x103e, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC),
-- 
2.17.1




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