Re: Microphone not working on ASUS Chromebook C201

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[Add correct maintainer address, and list address back.]

Dear Tomasz,


Am 04.01.20 um 19:09 schrieb Tomasz Jeruzalski:

sob., 4 sty 2020 o 13:41 Paul Menzel <pmenzel@xxxxxxxxxxxxx> napisał(a):

Am 03.01.20 um 23:23 schrieb Tomasz Jeruzalski:

I have issue with microphone in ASUS Chromebook C201. It is an RK3288-C
SoC
and built-in sound card is called VEYRON-I2S. Sound works perfectly on
both
speakers and headphones. However there is no microphone input, arecord
gives silent stream (pulseaudio is disabled). In alsamixer "Int mic" and
"Headset mic" are set to "On". I am running mainline kernel 5.4.6 and
Debian testing. Is microphone known to work with this hardware ? If so,
how
to make it working ?

As it is working with Chrome OS, it should also work with Linux or at
least it should be possible to make this work.

Please run `alsa-info.sh` [1], and attach or upload the output. In your
reply, please add Takasshi, one of the sound maintainers [2], to CC.

[…]

[1]: https://www.alsa-project.org/alsa-info.sh
[2]: https://www.kernel.org/doc/linux/MAINTAINERS


Thank you for your reply, here is result of alsa-info.sh:
http://alsa-project.org/db/?f=a75187a2979f2bb06502a484cffbaf0c93bdadba

Somehow accidentally I was able to record with arecord something different
than noise and play it but after starting PulseAudio only a noise I could
record, the same after killing PulseAudio or reboot.

[…]


Kind regards,

Paul


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