linux-kernel - [PATCH] ALSA: hda/realtek: Fix mic mute LED for the HP Spectre x360 14

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Date:   Wed, 20 Oct 2021 14:12:51 +0100
From:   Johnathon Clark <john.clark@...tab.net>
To:     unlisted-recipients:; (no To-header on input)
Cc:     john.clark@...tab.net, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Jeremy Szu <jeremy.szu@...onical.com>,
        Kailang Yang <kailang@...ltek.com>,
        Hui Wang <hui.wang@...onical.com>,
        Chris Chiu <chris.chiu@...onical.com>,
        Cameron Berkenpas <cam@...-zeon.de>,
        PeiSen Hou <pshou@...ltek.com>,
        Werner Sembach <wse@...edocomputers.com>,
        Sami Loone <sami@...ne.fi>, Elia Devito <eliadevito@...il.com>,
        alsa-devel@...a-project.org (moderated list:SOUND),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ALSA: hda/realtek: Fix mic mute LED for the HP Spectre x360 14

On the 'HP Spectre x360 Convertible 14-ea0xx' the microphone mute led is
controlled by GPIO 0x04. The speaker mute LED does not seem to be
exposed by GPIO and is there not set.

Signed-off-by: Johnathon Clark <john.clark@...tab.net>
---
 sound/pci/hda/patch_realtek.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 965b096f416f..79c6fb39864d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4355,6 +4355,17 @@ static void alc287_fixup_hp_gpio_led(struct hda_codec *codec,
 	alc_fixup_hp_gpio_led(codec, action, 0x10, 0);
 }
 
+static void alc245_fixup_hp_gpio_led(struct hda_codec *codec,
+				const struct hda_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+
+	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+		spec->micmute_led_polarity = 1;
+	}
+	alc_fixup_hp_gpio_led(codec, action, 0, 0x04);
+}
+
 /* turn on/off mic-mute LED per capture hook via VREF change */
 static int vref_micmute_led_set(struct led_classdev *led_cdev,
 				enum led_brightness brightness)
@@ -6709,6 +6720,7 @@ enum {
 	ALC285_FIXUP_THINKPAD_NO_BASS_SPK_HEADSET_JACK,
 	ALC287_FIXUP_HP_GPIO_LED,
 	ALC256_FIXUP_HP_HEADSET_MIC,
+	ALC245_FIXUP_HP_GPIO_LED,
 	ALC236_FIXUP_DELL_AIO_HEADSET_MIC,
 	ALC282_FIXUP_ACER_DISABLE_LINEOUT,
 	ALC255_FIXUP_ACER_LIMIT_INT_MIC_BOOST,
@@ -7333,6 +7345,8 @@ static const struct hda_fixup alc269_fixups[] = {
 	[ALC245_FIXUP_HP_X360_AMP] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc245_fixup_hp_x360_amp,
+		.chained = true,
+		.chain_id = ALC245_FIXUP_HP_GPIO_LED
 	},
 	[ALC288_FIXUP_DELL_HEADSET_MODE] = {
 		.type = HDA_FIXUP_FUNC,
@@ -8432,6 +8446,10 @@ static const struct hda_fixup alc269_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc256_fixup_tongfang_reset_persistent_settings,
 	},
+	[ALC245_FIXUP_HP_GPIO_LED] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc245_fixup_hp_gpio_led,
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
-- 
2.33.1