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

[Hui Wang]

On 12/07/2015 10:47 PM, Takashi Iwai wrote:
> 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.
Recently we enabled two thinkpad laptop models, both of them are based 
on the Intel skylake platform, and both of them used alc293 to be the 
analog audio codec. When the machine boot to the ubuntu desktop, there 
will be a notification sound when greeter dialogue shows up, on these 
two models, there is noise with the notification sound. By the way, we 
have 3 SKUs for each model, all of them have this problem.

After disable the analog audio loopback, the noise disappears.

Codec: Realtek ALC293
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x10ec0293
Subsystem Id: 0x17aa2233
Revision Id: 0x100003
No Modem Function Group found


Codec: Realtek ALC293
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x10ec0293
Subsystem Id: 0x17aa504b
Revision Id: 0x100003
No Modem Function Group found


>
> 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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