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ALSA: hda - Add mute LED support to Lenovo Ideapad

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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>
This commit is contained in:
Takashi Iwai 2014-01-10 17:50:58 +01:00
parent 400362f1d8
commit 3e887f379d
1 changed files with 41 additions and 1 deletions
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42
sound/pci/hda/patch_realtek.c
View File

@ -4861,8 +4861,42 @@ static void alc_fixup_bass_chmap(struct hda_codec *codec,
}
}
/* 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 @@ static const struct hda_fixup alc662_fixups[] = {
{ }
}
},
[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,