HDMI audio on ATI/AMD Radeon hardware has been disabled by default by
the upstream kernel developers as it causes black screens on some
systems. You can re-enable it by adding radeon.audio=1 to you GRUB
kernel boot parameters as described at
https://help.ubuntu.com/community/Grub2/Troubleshooting#Editing_the_GRUB_2_Menu_During_Boot
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1002572
Title:
[System Product Name, ATI R6xx HDMI, Digital Out, HDMI] No sound at
all
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