Comment # 4 on bug 90777 from Alex Deucher

(In reply to Itzamna from comment #3)
> Hello Alex,
> 
> Sadly, your patch does not fix HDMI audio on my machine (kernel 4.0.4;
> Radeon HD 7970). Reverting commit 8ffea8570d5a7e9dd3c10349ebc3bd79487ae30b
> does fix the issue.
> 
> - Itzamna

What hardware and kernel are you using?