Okay, I think the firmware that I downloaded works correctly and that this is only a problem with the alsa ucm configuration. I'm closing this, thank you for your attention.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2109925 Title: No audio support for Cirrus Logic cs35l56 on Lenovo Thinkpad X9-14 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2109925/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs