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

[Takashi Iwai]

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?


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
>