[alsa-devel] [PATCH 2/3] ALSA:hda: fix front speakers on Huawei MBXP.

[Takashi Iwai]

On Wed, 31 Oct 2018 21:08:18 +0100,
<ayman.bagabas at gmail.com> wrote:
> 
> This patch solves bug 200501 'Only 2 of 4 speakers playing sound.' 
> https://bugzilla.kernel.org/show_bug.cgi?id=200501

The information should be put in the patch description.


thanks,

Takashi

> 
> On Wed, 2018-10-31 at 15:20 -0400, Ayman Bagabas wrote:
> > This patch enables the front speakers on Huawei Matebook X Pro
> > laptops.
> > These laptops come with Dolby Atmos sound system and these pins
> > configuration enables the front speakers.
> > 
> > Signed-off-by: Ayman Bagabas <ayman.bagabas at gmail.com>
> > ---
> >  sound/pci/hda/patch_realtek.c | 18 ++++++++++++++++++
> >  1 file changed, 18 insertions(+)
> > 
> > diff --git a/sound/pci/hda/patch_realtek.c
> > b/sound/pci/hda/patch_realtek.c
> > index 3ac7ba9b342d..4f7a39c7883c 100644
> > --- a/sound/pci/hda/patch_realtek.c
> > +++ b/sound/pci/hda/patch_realtek.c
> > @@ -5493,6 +5493,7 @@ enum {
> >  	ALC298_FIXUP_TPT470_DOCK,
> >  	ALC255_FIXUP_DUMMY_LINEOUT_VERB,
> >  	ALC255_FIXUP_DELL_HEADSET_MIC,
> > +	ALC256_FIXUP_HUAWEI_MBXP_PINS,
> >  	ALC295_FIXUP_HP_X360,
> >  	ALC221_FIXUP_HP_HEADSET_MIC,
> >  };
> > @@ -6347,6 +6348,22 @@ static const struct hda_fixup alc269_fixups[]
> > = {
> >  		.chained = true,
> >  		.chain_id = ALC269_FIXUP_HEADSET_MIC
> >  	},
> > +	[ALC256_FIXUP_HUAWEI_MBXP_PINS] = {
> > +		.type = HDA_FIXUP_PINS,
> > +		.v.pins = (const struct hda_pintbl[]) {
> > +			{0x12, 0x90a60130},
> > +			{0x13, 0x40000000},
> > +			{0x14, 0x90170110},
> > +			{0x18, 0x411111f0},
> > +			{0x19, 0x04a11040},
> > +			{0x1a, 0x411111f0},
> > +			{0x1b, 0x90170112},
> > +			{0x1d, 0x40759a05},
> > +			{0x1e, 0x411111f0},
> > +			{0x21, 0x04211020},
> > +			{ },
> > +		},
> > +	},
> >  	[ALC295_FIXUP_HP_X360] = {
> >  		.type = HDA_FIXUP_FUNC,
> >  		.v.func = alc295_fixup_hp_top_speakers,
> > @@ -6592,6 +6609,7 @@ static const struct snd_pci_quirk
> > alc269_fixup_tbl[] = {
> >  	SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad",
> > ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
> >  	SND_PCI_QUIRK(0x17aa, 0x511e, "Thinkpad",
> > ALC298_FIXUP_TPT470_DOCK),
> >  	SND_PCI_QUIRK(0x17aa, 0x511f, "Thinkpad",
> > ALC298_FIXUP_TPT470_DOCK),
> > +	SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MBXP",
> > ALC256_FIXUP_HUAWEI_MBXP_PINS),
> >  	SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1",
> > ALC269_FIXUP_PCM_44K),
> >  	SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB",
> > ALC269_FIXUP_LENOVO_EAPD),
> >  	SND_PCI_QUIRK(0x1b7d, 0xa831, "Ordissimo EVE2 ",
> > ALC269VB_FIXUP_ORDISSIMO_EVE2), /* Also known as Malata PC-B1303 */
> 
>