ALSA: hda - Add mute LED support to Lenovo Ideapad
Lenovo Ideapad with ALC272 has a mute LED that is controlled via
GPIO1. Add a simple vmaster hook for it.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16373
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 56a8f18..cbeb67d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4861,8 +4861,42 @@
}
}
+/* turn on/off mute LED per vmaster hook */
+static void alc662_led_gpio1_mute_hook(void *private_data, int enabled)
+{
+ struct hda_codec *codec = private_data;
+ struct alc_spec *spec = codec->spec;
+ unsigned int oldval = spec->gpio_led;
+
+ if (enabled)
+ spec->gpio_led &= ~0x01;
+ else
+ spec->gpio_led |= 0x01;
+ if (spec->gpio_led != oldval)
+ snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
+ spec->gpio_led);
+}
+
+static void alc662_fixup_led_gpio1(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ struct alc_spec *spec = codec->spec;
+ static const struct hda_verb gpio_init[] = {
+ { 0x01, AC_VERB_SET_GPIO_MASK, 0x01 },
+ { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x01 },
+ {}
+ };
+
+ if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+ spec->gen.vmaster_mute.hook = alc662_led_gpio1_mute_hook;
+ spec->gpio_led = 0;
+ snd_hda_add_verbs(codec, gpio_init);
+ }
+}
+
enum {
ALC662_FIXUP_ASPIRE,
+ ALC662_FIXUP_LED_GPIO1,
ALC662_FIXUP_IDEAPAD,
ALC272_FIXUP_MARIO,
ALC662_FIXUP_CZC_P10T,
@@ -4895,12 +4929,18 @@
{ }
}
},
+ [ALC662_FIXUP_LED_GPIO1] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc662_fixup_led_gpio1,
+ },
[ALC662_FIXUP_IDEAPAD] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x17, 0x99130112 }, /* subwoofer */
{ }
- }
+ },
+ .chained = true,
+ .chain_id = ALC662_FIXUP_LED_GPIO1,
},
[ALC272_FIXUP_MARIO] = {
.type = HDA_FIXUP_FUNC,