I was having audio problems, after a few minutes a buzzing sound would start and only stop when the internal audio card was deactivated.
My solution to this problem was to enable tracing with SOF snd_sof.sof_debug=1
.
To do this I opened the following file with my text editor (sublime text):
sudo subl /etc/default/grub
On the line that starts with GRUB_CMDLINE_LINUX_DEFAULT
. I added snd_sof.sof_debug=1
to the end of the line, inside the quotes: