[alsa-devel] Microphone detected, but no output for all ASUS G751xx with ALC668 chipset

[Takashi Iwai]

On Fri, 05 Oct 2018 11:56:06 +0200,
Håvard wrote:
> 
> Hi!
> 
> Sorry it's my fault for not responding as I should have.
> 
> I originally had some problems getting the 4.19-rc kernel to work with
> nvidia drivers, but thanks to your email I got it working.
> 
> So here is what I found:
> 
> Not setting model=alc668-headset changed nothing
> 
> Setting model=alc668-headset Still didn't work, but made it so my "Internal
> microphone" in pavucontrol was plugged in, even though my headset is
> plugged in. Normally (and without setting model=alc668-headset) it would
> say "(unplugged)" when I had my microphone plugged in. And might be
> irrelevant, but the microphone name went from "Microphone" to "Headset
> microphone".
> 
> Could this be related to that my laptop has no combo headset port? I have
> separate inputs/outputs for mic and sound, not all in one port.

OK, that sounds like a reasonable explanation.

Is anything else missing if you load *without* model option (i.e. the
system as-is)?  Basically it's easy to add a quirk only applying the
COEF verbs you've found, but we should fix other things as well if we
play with quirk table.


thanks,

Takashi