Hello, I believe I have run into an Alsa bug due to new/unsupported hardware. I am running Arch Linux Kernel version 5.10.8 on my new MSI Godlike X570 motherboard, and I believe Alsa is having issues with the Dual ALC1220 Codecs. I saw that this has been an issue before https://bugzilla.kernel.org/show_bug.cgi?id=195305 in the and looks solved, but for some reason, my Alsa utilities are crashing when trying to access my sound card (Alsamixer and amixer).
Here is an example with the error message.
amixer -c 0 ALSA lib simple_none.c:1544:(simple_add1) helem (MIXER,'Master Playback Switch',0,1,0) appears twice or more cannot load mixer controls: Invalid argument
I have tried solving the issue in a variety of ways, including explicitly setting the kernel module snd-hda_intel model name. I also experience the same bug in a fresh Arch Linux ISO, which rules out most configuration issues, I think.
I reviewed your documentation, and it looks like my next step is to file a bug report. I already reached out to the Arch Linux community, and you can review my post at the following link. I have also attached the output of alsa-info.sh to this email.
https://bbs.archlinux.org/viewtopic.php?pid=1949255#p1949255
Let me know if you need anything else from me, I appreciate all your work, and look forward to your response!
Aeonik