[alsa-devel] Dell new AIO platform

[Hui Wang]

On 2018年03月07日 16:42, Hui Wang wrote:
> This is the alsa-info.txt for the machine of zuma-p (the machine 
> kailang sent the patch for):
>
> https://pastebin.ubuntu.com/p/V4QgWWY5Nj/
>
>
> And we have a similar bug with this one, but it is not for output, it 
> is for input. On one of Dell desktops, there is no internal 
> microphone, the only input devices are "Headphone Mic=0x1a" and 
> "Headset Mic=0x19", so the imux_pins[spec->gen.cur_mux[0]] is 
> headphone mic or headset mic,  let us suppose it is headset mic, and 
> we are unlucky that the auto-mute is disabled, and then unplug a 
> headset from the jack,  the audio is now in  unplugged mode 
> (alc_headset_mode_unplugged(codec);), then next time we plug the 
> headset into the jack, the "what-did-you-plug" dialogue will pop up, 
> we select headset-mic, since the imux_pins[spec->gen.cur_mux[0]] is 
> already the headset mic (not internal microphone since there is no 
> internal microphone on this machine), the alc_update_headset_mode() 
> will not be called and then alc_determine_headset_type(), 
> alc_headset_mode_ctia() and alc_headset_mode_omtp() will not be 
> called,  as a result the headset mic can't record sound.
>
> So far, I have no idea how to fix this problem. And the alsa-info.txt 
> for my machine is as below shown:
I found if we don't call alc_headset_mode_unplugged(codec) (comment this 
line form patch_realtek.c), the input devices work better on my machine.
>
> https://pastebin.ubuntu.com/p/SNMNjbRgnT/
>
>
> Regards,
> Hui.
>
>
>
>
> On 2018年03月06日 17:13, Kailang wrote:
>>
>>> -----Original Message-----
>>> From: Takashi Iwai [mailto:tiwai at suse.de]
>>> Sent: Tuesday, March 06, 2018 5:10 PM
>>> To: Kailang
>>> Cc: Hui Wang; (alsa-devel at alsa-project.org)"
>>> Subject: Re: Dell new AIO platform
>>>
>>> On Tue, 06 Mar 2018 10:03:38 +0100,
>>> Kailang wrote:
>>>>
>>>>> -----Original Message-----
>>>>> From: Takashi Iwai [mailto:tiwai at suse.de]
>>>>> Sent: Tuesday, March 06, 2018 4:49 PM
>>>>> To: Kailang
>>>>> Cc: (alsa-devel at alsa-project.org)
>>>>> Subject: Re: Dell new AIO platform
>>>>>
>>>>> On Tue, 06 Mar 2018 08:54:39 +0100,
>>>>> Kailang wrote:
>>>>>> Hi Takashi,
>>>>>>
>>>>>> This platform was only one phone Jack.
>>>>>> Add dummy lineout verb to fix automute mode disable.
>>>>>> This just the workarround.
>>>>> I'm not sure why this phantom line pin is needed.
>>>>> What happens without that?
>>>> Looks like I find the root cause for this issue, since
>>> there is only one output device (headphone）， so the Auto-mute
>>> is not supported on this machine, as a result, when users
>>> plug headphone to the jack, audomute_hook or hp_automute_hook
>>> will not be called, then the alc_update_headset_mode() will
>>> not be called, and alc_headset_mode_default() will not be
>>> called. the headset jack is always in the
>>> alc_headset_mode_unplugged() state.
>>>
>>> OK, now understood.
>>>
>>> I can take the patch as a tentative workaround.
>>> But for the proper fix, could you give alsa-info.sh output?
>> I had no machine in my site.
>>
>> Hi Hui Wang,
>>
>> Could you help to send alsa-info.sh output to Takashi?
>>
>>>
>>> thanks,
>>>
>>> Takashi
>>>
>>> ------Please consider the environment before printing this e-mail.
>