On the Dell soundwire-sdca audio machine,
enable hirsute-proposed in the /etc/apt/sources.list
apt-get update
apt install alsa-ucm-conf, now the alsa-ucm-conf all 1.2.4-2ubuntu1.3 is installed.
install linux-image-unsigned-5.13.0-oem kernel
sudo rm /var/lib/alsa/*; rm ~/.config/pulse/*;alsactl init; reboot machine
After the system boots up, play sound through internal speaker, the sound could be outputted via speaker successfully.
For hirsute:
On the Dell soundwire-sdca audio machine,sources.listunsigned-5.13.0-oem kernelpulse/*;alsactl init; reboot machine
enable hirsute-proposed in the /etc/apt/
apt-get update
apt install alsa-ucm-conf, now the alsa-ucm-conf all 1.2.4-2ubuntu1.3 is installed.
install linux-image-
sudo rm /var/lib/alsa/*; rm ~/.config/
After the system boots up, play sound through internal speaker, the sound could be outputted via speaker successfully.
Verified done for hirsute.