Hi all,
for the beginners :
here is my design (everything on github) nothing new but spread over the internet.
custom linux (openembedded)
x11 / hdmi
sound / adau1761
hardware acceleration with HLS
vivado 2015.4
https://docs.google.com/document/d/1Kns60HzIFnPoYrq4ym6eCFVptmQ3opnm0nq12N8tZkg
hope it helps