To reinstall a clean linux-firmware:
sudo mv /lib/firmware/intel/sof ~/ sudo mv /lib/firmware/intel/sof-tplg ~/
sudo apt install linux-firmware --reinstall
reboot and check if audio works? if there is anything wrong, you could restore the orignal sof and sof-tplg from ~/, if the new firmware works, you could delete the ~/sof and ~/sof-tplg
To reinstall a clean linux-firmware:
sudo mv /lib/firmware/ intel/sof ~/ intel/sof- tplg ~/
sudo mv /lib/firmware/
sudo apt install linux-firmware --reinstall
reboot and check if audio works? if there is anything wrong, you could restore the orignal sof and sof-tplg from ~/, if the new firmware works, you could delete the ~/sof and ~/sof-tplg