@asterix52, (pci-0000_01_00.1) means this is a discrete Nvidia or AMD hdmi audio controller, did you install the Nvidia or AMD graphic driver under 5.4.0-48?.
Please upload the log of pa-info with hdmi/dp monitor plugged. thx. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1867704 Title: alsa/hdmi: support nvidia mst hdmi/dp audio To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1867704/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
