[alsa-devel] snd-hda-intel : issues with mic boost on ALC3236

[Hui Wang]

On 05/01/2015 03:13 PM, Takashi Iwai wrote:
> At Fri, 1 May 2015 09:05:44 +0200,
> Simon Derr wrote:
>> On Thu, Apr 30, 2015 at 10:39 PM, Simon Derr <ddrsimon at gmail.com> wrote:
>>
>>> Good news : setting model=,headset-mic seems to solve all my issues.
>>> The jack mic works, the internal mic works, and the boost works.
>> Ach !
>>
>> Things are actually a bit more complicated. After suspend/resume my
>> mic stopped working.
> OK, this must be a bug in the quirk.
> Could you give alsa-info.sh outputs before and after suspend (with
> this model option)?
>
> David, Hui, do you see any similar problem with Dell machines?
>
I didn't see the similar problem with Dell machines recently.

Regards,
Hui.
> thanks,
>
> Takashi
>
>> After a lengthy testing the minimum sequence that seems to reliably work is:
>>
>> 1/ modprobe snd-hda-intel model=,dell-headset-multi
>> But **with a headset plugged in in the combo jack**. Else it does not work.
>>
>> 2/ using alsamixer set the second capture knob (that was at 0) to 100
>>
>> 3/ rmmod snd-hda-intel. The headset can be removed now, or not.
>>
>> 4/ modprobe snd-hda-intel model=,headset-mic
>>
>> 5/ Now the proper boost and recording levels can be set in alsamixer,
>> and the mic works properly.
>>
>>      Simon
>>
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