I opened a similar bug for focal, we need to put the alsa-ucm-conf and alsa-topology-conf to the focal image.
This is the bug link: https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/1862505
I opened a similar bug for focal, we need to put the alsa-ucm-conf and alsa-topology-conf to the focal image.
This is the bug link: https:/ /bugs.launchpad .net/ubuntu/ +source/ alsa-lib/ +bug/1862505