[alsa-devel] Microphone Jack on "Acer Aspire V 15 Nitro"

[Takashi Iwai]

On Wed, 20 Jan 2016 19:22:06 +0100,
Sebastian Wagner wrote:
> 
> Hi list,
> 
> the "Acer Aspire V 15 Nitro" has a combined headphone + microphone jack.
> The headphone worked out-of-the-box (Ubuntu 15.10), but no microphone
> was recognized. Also, I couldn't find anything about "Realtek ALC255" in
> my /usr/share/doc/alsa-base/driver/HD-Audio-Models.txt.gz
> 
> after some googling, I've managed to get my microphone jack working:
> Adding "options snd-hda-intel model=dell-headset-multi" fixed the issue.
> See https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1420988
> for a similar setup. As the bug is still open, I thought this might be
> of interest.
> 
> I've attached my alsa-info.txt

Does the machine have no built-in mic?  In alsa-info.sh output, there
are only "Headphone Mic" and "Headset Mic" as inputs.
Also, does the headphone output still works with this quirk?

In anyway, please give alsa-info.sh output without the model option,
too.


thanks,

Takashi