(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. Does audio work properly on your board with the latest 4.1 kernel from Linus' tree? Specifically make sure it has this patch: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2d1c18bba15daf89d75ce475ecd2068f483aa12f