[alsa-devel] [PATCH] ALSA: hda - Add mic fixup for Gigabyte BXBT-2807

[Takashi Iwai]

At Tue, 22 Jul 2014 10:58:29 +0100,
Daniel Drake wrote:
> 
> The Gigabyte BRIX BXBT-2707 is a mini-PC with Realtek ALC283 HDA,
> exposing a single headset jack.
> 
> However, the default pin config information only suggests
> that one pin is connected: a HP out jack (pin 0x21, default
> config 0x04211010).
> 
> The microphone input is behind pin 0x19, which has default
> config 0x411111f0 (i.e. unused), so it does not show up in
> userspace, and no microphone input is possible via the headset.
> 
> Override the pin config so that the headset mic can be used.

The overwritten value looks like the jack-detectable.  Is it really
so?  Many headset jacks don't give the jack detection in the mic pin
but relies on the headphone pin jack detection or use vendor-specific
way.


thanks,

Takashi

> 
> Signed-off-by: Daniel Drake <drake at endlessm.com>
> ---
>  sound/pci/hda/patch_realtek.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
> index 512582b..10f1848 100644
> --- a/sound/pci/hda/patch_realtek.c
> +++ b/sound/pci/hda/patch_realtek.c
> @@ -4358,6 +4358,7 @@ enum {
>  	ALC255_FIXUP_HEADSET_MODE_NO_HP_MIC,
>  	ALC293_FIXUP_DELL1_MIC_NO_PRESENCE,
>  	ALC292_FIXUP_TPT440_DOCK,
> +	ALC283_FIXUP_BXBT2807_MIC,
>  };
>  
>  static const struct hda_fixup alc269_fixups[] = {
> @@ -4792,6 +4793,13 @@ static const struct hda_fixup alc269_fixups[] = {
>  		.chained = true,
>  		.chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST
>  	},
> +	[ALC283_FIXUP_BXBT2807_MIC] = {
> +		.type = HDA_FIXUP_PINS,
> +		.v.pins = (const struct hda_pintbl[]) {
> +			{ 0x19, 0x04a110f0 },
> +			{ },
> +		},
> +	},
>  };
>  
>  static const struct snd_pci_quirk alc269_fixup_tbl[] = {
> @@ -5013,6 +5021,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
>  	SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD),
>  	SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", ALC269_FIXUP_THINKPAD_ACPI),
>  	SND_PCI_QUIRK(0x1b7d, 0xa831, "Ordissimo EVE2 ", ALC269VB_FIXUP_ORDISSIMO_EVE2), /* Also known as Malata PC-B1303 */
> +	SND_PCI_QUIRK(0x1458, 0xfa53, "Gigabyte BXBT-2807", ALC283_FIXUP_BXBT2807_MIC),
>  
>  #if 0
>  	/* Below is a quirk table taken from the old code.
> -- 
> 1.9.1
>