[alsa-devel] [PATCH v2] ALSA: hda - add mute LED for HP Pavilion 17 (Realtek codec)

[Takashi Iwai]

At Mon,  7 Jan 2013 12:03:47 +0100,
David Henningsson wrote:
> 
> The mute LED is in this case connected to the Mic1 VREF.
> 
> The machine also exposes the following string in BIOS:
> "HP_Mute_LED_0_A", so if more machines are coming, it probably
> makes sense to try to do something more generic, like for the
> IDT codec.
> 
> Cc: stable at vger.kernel.org
> BugLink: https://bugs.launchpad.net/bugs/1096789
> Signed-off-by: David Henningsson <david.henningsson at canonical.com>

Thanks, applied now.


Takashi

> ---
>  sound/pci/hda/patch_realtek.c |   30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
> index 6ee3459..71ae23d 100644
> --- a/sound/pci/hda/patch_realtek.c
> +++ b/sound/pci/hda/patch_realtek.c
> @@ -5992,6 +5992,30 @@ static void alc269_fixup_quanta_mute(struct hda_codec *codec,
>  	spec->automute_hook = alc269_quanta_automute;
>  }
>  
> +/* update mute-LED according to the speaker mute state via mic1 VREF pin */
> +static void alc269_fixup_mic1_mute_hook(void *private_data, int enabled)
> +{
> +	struct hda_codec *codec = private_data;
> +	unsigned int pinval = AC_PINCTL_IN_EN + (enabled ?
> +			      AC_PINCTL_VREF_HIZ : AC_PINCTL_VREF_80);
> +	snd_hda_set_pin_ctl_cache(codec, 0x18, pinval);
> +}
> +
> +static void alc269_fixup_mic1_mute(struct hda_codec *codec,
> +				   const struct alc_fixup *fix, int action)
> +{
> +	struct alc_spec *spec = codec->spec;
> +	switch (action) {
> +	case ALC_FIXUP_ACT_BUILD:
> +		spec->vmaster_mute.hook = alc269_fixup_mic1_mute_hook;
> +		snd_hda_add_vmaster_hook(codec, &spec->vmaster_mute, true);
> +		/* fallthru */
> +	case ALC_FIXUP_ACT_INIT:
> +		snd_hda_sync_vmaster_hook(&spec->vmaster_mute);
> +		break;
> +	}
> +}
> +
>  /* update mute-LED according to the speaker mute state via mic2 VREF pin */
>  static void alc269_fixup_mic2_mute_hook(void *private_data, int enabled)
>  {
> @@ -6043,6 +6067,7 @@ enum {
>  	ALC269_FIXUP_DMIC,
>  	ALC269VB_FIXUP_AMIC,
>  	ALC269VB_FIXUP_DMIC,
> +	ALC269_FIXUP_MIC1_MUTE_LED,
>  	ALC269_FIXUP_MIC2_MUTE_LED,
>  	ALC269_FIXUP_INV_DMIC,
>  	ALC269_FIXUP_LENOVO_DOCK,
> @@ -6171,6 +6196,10 @@ static const struct alc_fixup alc269_fixups[] = {
>  			{ }
>  		},
>  	},
> +	[ALC269_FIXUP_MIC1_MUTE_LED] = {
> +		.type = ALC_FIXUP_FUNC,
> +		.v.func = alc269_fixup_mic1_mute,
> +	},
>  	[ALC269_FIXUP_MIC2_MUTE_LED] = {
>  		.type = ALC_FIXUP_FUNC,
>  		.v.func = alc269_fixup_mic2_mute,
> @@ -6215,6 +6244,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
>  	SND_PCI_QUIRK(0x1025, 0x029b, "Acer 1810TZ", ALC269_FIXUP_INV_DMIC),
>  	SND_PCI_QUIRK(0x1025, 0x0349, "Acer AOD260", ALC269_FIXUP_INV_DMIC),
>  	SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_MIC2_MUTE_LED),
> +	SND_PCI_QUIRK(0x103c, 0x1972, "HP Pavilion 17", ALC269_FIXUP_MIC1_MUTE_LED),
>  	SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_DMIC),
>  	SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_DMIC),
>  	SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW),
> -- 
> 1.7.9.5
>