[PATCH 1/3] ALSA: hda/realtek - Introduce polarity for micmute LED GPIO
From: Kai-Heng Feng
Date: Thu Apr 30 2020 - 04:33:24 EST
Currently mute LED and micmute LED share the same GPIO polarity.
So split the polarity for mute and micmute, in case they have different
polarities.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
---
sound/pci/hda/patch_realtek.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c16f63957c5a..3150a61befc5 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -81,6 +81,7 @@ struct alc_spec {
/* mute LED for HP laptops, see alc269_fixup_mic_mute_hook() */
int mute_led_polarity;
+ int micmute_led_polarity;
hda_nid_t mute_led_nid;
hda_nid_t cap_mute_led_nid;
@@ -4075,11 +4076,9 @@ static void alc269_fixup_hp_mute_led_mic3(struct hda_codec *codec,
/* update LED status via GPIO */
static void alc_update_gpio_led(struct hda_codec *codec, unsigned int mask,
- bool enabled)
+ int polarity, bool enabled)
{
- struct alc_spec *spec = codec->spec;
-
- if (spec->mute_led_polarity)
+ if (polarity)
enabled = !enabled;
alc_update_gpio_data(codec, mask, !enabled); /* muted -> LED on */
}
@@ -4090,7 +4089,8 @@ static void alc_fixup_gpio_mute_hook(void *private_data, int enabled)
struct hda_codec *codec = private_data;
struct alc_spec *spec = codec->spec;
- alc_update_gpio_led(codec, spec->gpio_mute_led_mask, enabled);
+ alc_update_gpio_led(codec, spec->gpio_mute_led_mask,
+ spec->mute_led_polarity, enabled);
}
/* turn on/off mic-mute LED via GPIO per capture hook */
@@ -4099,6 +4099,7 @@ static void alc_gpio_micmute_update(struct hda_codec *codec)
struct alc_spec *spec = codec->spec;
alc_update_gpio_led(codec, spec->gpio_mic_led_mask,
+ spec->micmute_led_polarity,
spec->gen.micmute_led.led_value);
}
@@ -5795,7 +5796,8 @@ static void alc280_hp_gpio4_automute_hook(struct hda_codec *codec,
snd_hda_gen_hp_automute(codec, jack);
/* mute_led_polarity is set to 0, so we pass inverted value here */
- alc_update_gpio_led(codec, 0x10, !spec->gen.hp_jack_present);
+ alc_update_gpio_led(codec, 0x10, spec->mute_led_polarity,
+ !spec->gen.hp_jack_present);
}
/* Manage GPIOs for HP EliteBook Folio 9480m.
--
2.17.1