Still having other troubles, it seems that usb audio cards don't get recognized correctly.
I see this: ▶ cat /proc/asound/cards 0 [sofsklhdacard ]: sof-skl_hda_car - sof-skl_hda_card LENOVO-20QD00LKIX-ThinkPadX1Carbon7th-20QD00LKIX 1 [C920 ]: USB-Audio - HD Pro Webcam C920 HD Pro Webcam C920 at usb-0000:00:14.0-2.2.1.4, high speed But cannot use it through pulseaudio/gnome. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859754 Title: add ucm to make alsa/sof driver work under PA (variants of Lenovo X1 Carbon 7th, Dell cnl and cml machines) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1859754/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs