@Peter, Please take a look at https://askubuntu.com/questions/1032811/ubuntu-18-04-no-hdmi-audio-with- amd-radeon-hd-7870/1207919#1207919
Now the driver amdgpu and nouveau(dispnv50) support the audio_component, but the driver radeon doesn't support it yet. so please try the workaround in the askubuntu.com or please read #53 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1834771 Title: No HDMI-audio after kernel 4.15.-0.50 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1834771/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
