"internal audio interface (hw:sofhdadsp)" I am wondering where you got the "hw:sofhdadsp" from was PCH,0,0 not listed? from your output of aplay -l it would seem the device you want is hw:PCH,0,0 or just hw:PCH even.
"internal audio interface (hw:sofhdadsp)" I am wondering where you got the "hw:sofhdadsp" from was PCH,0,0 not listed? from your output of aplay -l it would seem the device you want is hw:PCH,0,0 or just hw:PCH even.