[alsa-devel] [PATCH] ALSA: hda - Fixing speaker noise on two thinkpad machines

[Takashi Iwai]

On Mon, 07 Dec 2015 15:38:05 +0100,
Hui Wang wrote:
> 
> On 12/07/2015 10:35 PM, Takashi Iwai wrote:
> > On Mon, 07 Dec 2015 15:31:52 +0100,
> > Hui Wang wrote:
> >> Disable the aamix can fix this problem.
> > Which codec do these machines have?
> 
> Codec: Realtek ALC293
> Address: 0
> AFG Function Id: 0x1 (unsol 1)
> Vendor Id: 0x10ec0293

Hm, and only Thinkpads with this codec suffer?  I mean, there are lots
of TPs with ALC292.  Please give more background.


Takashi

> 
> >
> > Takashi
> >
> >> Cc: stable at vger.kernel.org
> >> BugLink: https://bugs.launchpad.net/bugs/1523517
> >> Signed-off-by: Hui Wang <hui.wang at canonical.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 ebc5362..49b1d36 100644
> >> --- a/sound/pci/hda/patch_realtek.c
> >> +++ b/sound/pci/hda/patch_realtek.c
> >> @@ -4596,6 +4596,7 @@ enum {
> >>   	ALC298_FIXUP_DELL1_MIC_NO_PRESENCE,
> >>   	ALC275_FIXUP_DELL_XPS,
> >>   	ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE,
> >> +	ALC293_FIXUP_LENOVO_SPK_NOISE,
> >>   };
> >>   
> >>   static const struct hda_fixup alc269_fixups[] = {
> >> @@ -5187,6 +5188,12 @@ static const struct hda_fixup alc269_fixups[] = {
> >>   		.chained = true,
> >>   		.chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
> >>   	},
> >> +	[ALC293_FIXUP_LENOVO_SPK_NOISE] = {
> >> +		.type = HDA_FIXUP_FUNC,
> >> +		.v.func = alc_fixup_disable_aamix,
> >> +		.chained = true,
> >> +		.chain_id = ALC269_FIXUP_THINKPAD_ACPI
> >> +	},
> >>   };
> >>   
> >>   static const struct snd_pci_quirk alc269_fixup_tbl[] = {
> >> @@ -5334,6 +5341,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
> >>   	SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
> >>   	SND_PCI_QUIRK(0x17aa, 0x2223, "ThinkPad T550", ALC292_FIXUP_TPT440_DOCK),
> >>   	SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK),
> >> +	SND_PCI_QUIRK(0x17aa, 0x2233, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
> >>   	SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
> >>   	SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
> >>   	SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
> >> @@ -5343,6 +5351,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
> >>   	SND_PCI_QUIRK(0x17aa, 0x5034, "Thinkpad T450", ALC292_FIXUP_TPT440_DOCK),
> >>   	SND_PCI_QUIRK(0x17aa, 0x5036, "Thinkpad T450s", ALC292_FIXUP_TPT440_DOCK),
> >>   	SND_PCI_QUIRK(0x17aa, 0x503c, "Thinkpad L450", ALC292_FIXUP_TPT440_DOCK),
> >> +	SND_PCI_QUIRK(0x17aa, 0x504b, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
> >>   	SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
> >>   	SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
> >>   	SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD),
> >> -- 
> >> 1.9.1
> >>
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>