[alsa-devel] [PATCH] Enable internal mic on a Thinkpad machine

[Takashi Iwai]

At Fri, 27 Sep 2013 13:10:25 +0200,
David Henningsson wrote:
> 
> From: Kailang <kailang at realtek.com>
> 
> More thorough testing showed that these verbs were necessary to
> improve quality of the internal mic. Patch originally from Realtek.
> 
> Cc: stable at kernel.org (3.11)
> BugLink: https://bugs.launchpad.net/bugs/1231931
> Signed-off-by: David Henningsson <david.henningsson at canonical.com>
> ---

Applied it now, but dropped the Cc to stable, since this can't be
applied cleanly without your former patch, which wasn't merged to
stable either.  If you'd like to move them to Cc, please inform the
all necessary upstream commit ids.


thanks,

Takashi

>  sound/pci/hda/patch_realtek.c |   13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
> index bc07d36..c4d54a9 100644
> --- a/sound/pci/hda/patch_realtek.c
> +++ b/sound/pci/hda/patch_realtek.c
> @@ -3531,6 +3531,7 @@ enum {
>  	ALC269VB_FIXUP_ORDISSIMO_EVE2,
>  	ALC283_FIXUP_CHROME_BOOK,
>  	ALC282_FIXUP_ASUS_TX300,
> +	ALC283_FIXUP_INT_MIC,
>  };
>  
>  static const struct hda_fixup alc269_fixups[] = {
> @@ -3790,6 +3791,16 @@ static const struct hda_fixup alc269_fixups[] = {
>  		.type = HDA_FIXUP_FUNC,
>  		.v.func = alc282_fixup_asus_tx300,
>  	},
> +	[ALC283_FIXUP_INT_MIC] = {
> +		.type = HDA_FIXUP_VERBS,
> +		.v.verbs = (const struct hda_verb[]) {
> +			{0x20, AC_VERB_SET_COEF_INDEX, 0x1a},
> +			{0x20, AC_VERB_SET_PROC_COEF, 0x0011},
> +			{ }
> +		},
> +	.chained = true,
> +	.chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST
> +	},
>  };
>  
>  static const struct snd_pci_quirk alc269_fixup_tbl[] = {
> @@ -3874,7 +3885,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
>  	SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
>  	SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
>  	SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
> -	SND_PCI_QUIRK(0x17aa, 0x501a, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
> +	SND_PCI_QUIRK(0x17aa, 0x501a, "Thinkpad", ALC283_FIXUP_INT_MIC),
>  	SND_PCI_QUIRK(0x17aa, 0x5026, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
>  	SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
>  	SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
> -- 
> 1.7.9.5
>