linux-kernel - [PATCH 2/3] ALSA: hda/realtek - Enable micmute LED on and HP system

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Date:   Thu, 30 Apr 2020 16:32:52 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     tiwai@...e.com
Cc:     Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Kailang Yang <kailang@...ltek.com>,
        Hui Wang <hui.wang@...onical.com>,
        Jian-Hong Pan <jian-hong@...lessm.com>,
        Tomas Espeleta <tomas.espeleta@...il.com>,
        Thomas Hebb <tommyhebb@...il.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        alsa-devel@...a-project.org (moderated list:SOUND),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/3] ALSA: hda/realtek - Enable micmute LED on and HP system

Though the system uses DMIC, headset mic still uses the HDA, let's use
GPIO 0x1 to control the micmute LED.

The micmute LED GPIO has a different polarity to the mute LED GPIO, we
can use the newly added micmute_led_polarity to indicate that.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
---
 sound/pci/hda/patch_realtek.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 3150a61befc5..6f164ccddde3 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4134,7 +4134,11 @@ static void alc269_fixup_hp_gpio_led(struct hda_codec *codec,
 static void alc285_fixup_hp_gpio_led(struct hda_codec *codec,
 				const struct hda_fixup *fix, int action)
 {
-	alc_fixup_hp_gpio_led(codec, action, 0x04, 0x00);
+	struct alc_spec *spec = codec->spec;
+
+	spec->micmute_led_polarity = 1;
+
+	alc_fixup_hp_gpio_led(codec, action, 0x04, 0x01);
 }
 
 static void alc286_fixup_hp_gpio_led(struct hda_codec *codec,
-- 
2.17.1