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Commit 3e887f37 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarTakashi Iwai <tiwai@suse.de>
parent 400362f1

sound/pci/hda/patch_realtek.c

+41 −1
Original line number Diff line number Diff line
@@ -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,