Kerl,
My desktop (AMD Threadripper based) has an HDA interface, but no mixer.
Instead for sound output it uses a built-in USB based sound card, which
up-until last year the kernel did not recognise
(
https://bugzilla.kernel.org/show_bug.cgi?id=210783). Does your
motherboard have a similar setup?
     Luke
On 10/01/2022 11:33, karl(a)aspodata.se wrote:
  Michael Jarosch:
  :~$ cat /proc/asound/cards 
 # cat
/proc/asound/cards
   0 [Intel          ]: HDA-Intel - HDA Intel
                        HDA Intel at 0xd01a0000 irq 26
 Regards,
 /Karl Hammar
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