For kernel 5.5.x I also found https://github.com/thesofproject/linux/issues/1917
** Bug watch added: github.com/thesofproject/linux/issues #1917 https://github.com/thesofproject/linux/issues/1917 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859246 Title: Built in audio speakers/earphones + microphone + SPDIF not activated. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1859246/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs