Use amixer, not alsamixer at first. It lets you see devices a different
way.
I remember at least 1 device where something started numbering at 0 and
something else at 1. If it starts at 1, 0 will be invalid, but you can try
going the other way. Compare going off the end one way with being just
Is there any hope of getting alsamixer controls for an AMD RX
5500/5500M GPU?
I'm running Devuan Chimaera with kernel 5.10.0-14-amd64
and the version numbers on most "*alsa*" packages between
1.2.4-1 and 1.2.4-2. I am _NOT_ running PulseAudio.
My GPU shows up to "lspci -nn" as this:
0b:00.0 VGA
