Comment 2 for bug 836919

Revision history for this message
madbiologist (me-again) wrote :

HDMI audio on AMD/ATI GPUs has been disabled by default, see http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-oneiric.git;a=commit;h=805c22168da76a65c978017d0fe0d59cd048e995 for details.

If you want to try enabling HDMI audio, add radeon.audio=1 to your GRUB boot command line.