diff options
| author | Takashi Iwai <tiwai@suse.de> | 2014-01-10 17:50:58 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-02-03 10:15:58 +0100 |
| commit | 3e887f379d8a52db8af1c0ac78e328069b7b2eae (patch) | |
| tree | d9ab92ba755370f395fd4d95189febbf5ee14bf3 /sound/pci/hda/patch_realtek.c | |
| parent | 400362f1d8dcfda3562e80e88cfc2a92cffaf9bf (diff) | |
| download | lwn-3e887f379d8a52db8af1c0ac78e328069b7b2eae.tar.gz lwn-3e887f379d8a52db8af1c0ac78e328069b7b2eae.zip | |
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>
Diffstat (limited to 'sound/pci/hda/patch_realtek.c')
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 56a8f1876603..cbeb67d98852 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -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, |