On the Dell soundwire-sdca audio machine,
enable focal-proposed in the /etc/apt/sources.list
apt-get update
apt install alsa-ucm-conf, now the alsa-ucm-conf all 1.2.2-1ubuntu0.10 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 focal:
On the Dell soundwire-sdca audio machine, sources. list unsigned- 5.13.0- oem kernel pulse/* ;alsactl init; reboot machine
enable focal-proposed in the /etc/apt/
apt-get update
apt install alsa-ucm-conf, now the alsa-ucm-conf all 1.2.2-1ubuntu0.10 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.
Verification done for focal.