Simiar issues happened on my HD7850 card, on linux mint 13
lspci -v:
01:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Device aab0
Subsystem: PC Partner Limited Device aab0
Flags: fast devsel, IRQ 17
Memory at f7e60000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel modules: snd-hda-intel
I followed
http://askubuntu.com/questions/67113/fast-video-playback-with-no-sound
sudo gedit /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.audio=1"
sudo update-grub
But it didn't work.
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https://bugs.launchpad.net/bugs/1014074
Title:
HDMI on Gigabyte HD7770 OC 1GB not supported in Precise Pangolin
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