Thank you so much Hui to handle this bug, feel free to ask me for testing on real hardware.
For 20.04 and newer, to fix this bug also fixes bug 1833116 https://bugs.launchpad.net/ubuntu/+source/alsa-ucm-conf/+bug/1833116 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1871306 Title: No sound from internal card chtmax98090 - missing UCM2 files in alsa- ucm-conf 1.2.2, available in alsa-ucm-conf 1.2.3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-ucm-conf/+bug/1871306/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs