OK, I reinstalled the machine with Ubuntu 24.10 using the traditional LUKS+LVM encryption (so using conventional deb packaged kernels) and confirmed that sound works out of the box. So the problem really seems to be the firmware that is bundled with the Snap-managed kernels.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2099845 Title: Sound not working on Dell XPS 14 9440 with Snap-managed kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/2099845/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
