Comment # 1 on bug 1191472 from Takashi Iwai

Could you check whether booting with the previous works (while keeping the
rest) still works?  You can find the even older kernels in TW history repo,
too:
  https://download.opensuse.org/history/

If yes, please give alsa-info.sh outputs on both working and non-working cases.
Run the script with --no-upload option and attach the outputs to Bugzilla.
Also give the full dmesg outputs from both cases, too.

Last but not least, please try the kernel in OBS Kernel:stable repo and verify
whether the problem still persists.