Hi Nico,
On Thu, 27 May 2021, Nico Schottelius wrote:
it seems more kernel config options are missing. Distribution kernels typically enable all the machine drivers, but you are specifically missing CONFIG_SND_SOC_INTEL_SKL_HDA_DSP_GENERIC_MACH=m
I've enabled this one and all machine types and indeed the card is being recognised (report at http://alsa-project.org/db/?f=5cbe7c293cbb80ab548b892cfc8b991476b0b2aa). I checked permissions on /dev/snd, which looks good.
However, obs does not list the microphone at all and chromium / jitsi shows the snd-hda-dsp mic, however does not let me select it.
ok, that's great so the driver appears to work now. You could try to do simple arecord test in terminal:
arecord -fdat -vv -Dplugw:0,6 -c4 /dev/null
You should see vumeter activity from the built-in microphone.
If that works, this starts to go a bit outside the scope of this list, but it sounds something in Alpine's user-space integration is missing. In e.g. Fedora and Ubuntu, ALSA UCM file is provided for these platforms and the shipped versions of Pipewire/Pulseaudio can expose the devices correctly to apps. You can do a sanity test (of your hardware) by booting a recent live image of either distro.
Br, Kai