OK, I found "ALSA: hda/via: Apply the workaround generically for Clevo machines" which was just merged yesterday. So I will test again to find out.
Hi Takashi, hi Harsha, I can confirm that the problem is fixed by this commit: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4961167bf7482944ca09a6f71263b9e47f949851 Michael