I've just bought a new HD7970 after preferring it over the Nvidia gtx 670 and now am beginning to regret this decision, I am having a problem with the HDMI audio output from the graphics card, once the screen display sleeps the graphics card won't output any audio through the HDMI cable until a full system reboot is performed!
I've read over the internet that this problem started long time ago before releasing the new 12.11 driver but it seems that the bug hasn't been fully addressed until this very moment.
Please AMD solver this issue as it's an incredibly irritating one.
Thanks.
