[CentOS] Lenovo T420 internal microphone not working

[Tim]

Hi Ian,

thanks for your reply.

I found the solution on my own: I needed to add an option model=thinkpad
to snd_hda_intel.
echo options snd_hda_intel model=thinkpad >
/etc/modprobe.d/snd_hda_intel.conf

Now it is working.

Thanks
Tim

Am 14.07.2015 um 21:38 schrieb Ian Pilcher:
> On 07/14/2015 06:02 AM, Tim wrote:
>> In the audio settings of Gnome perferences I see an internal microphone
>> which doesn't produce any input. The microphone is also not disabled by
>> the key on the keyboard.
> 
> One thing to try is adjusting the gain on the microphone *after* you've
> started your conferencing application.  I have to do this with my webcam
> mic.
>