AMD r9 280x GPU - No HDMI Audio Out

[sirpedroec]

Hey everyone,
I was wondering if anyone knows a fix for enabling HDMI Audio on an AMD r9 280x GPU?
(please no suggestions about buying a USB audio device)

Thank you for your help.

 

[Mhack85]

Hello, desolated for my english, I'm french.
I was looking for in Yosemite solution. I just found a solution that works with my graphics card Gigabyte Radeon R9 280X OC - 3 GB

http://forums.macrumors.com/showthread.php?t=1499797