Dear Joseph, I have to set kernel parameter radeon.audio=1 at boot time (or in grubs config file) Maybe that helps narrowing down your search.
Many thanks Stefan ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/969001 Title: kernel backport request: hdmi audio support for amd hd6xxx cards To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/969001/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs