if patching the PulseAudio default.pa works, then the initial issue was probably a problem with alsa-ucm-conf not being updated in your distros. There's no reason to use asound.state these days, it's a much better idea to use UCM. my 2 cents.
if patching the PulseAudio default.pa works, then the initial issue was probably a problem with alsa-ucm-conf not being updated in your distros. There's no reason to use asound.state these days, it's a much better idea to use UCM. my 2 cents.