HDMI sound conf

hdmi audio - odroid

http://archlinuxarm.org/platforms/armv7/samsung/odroid-u2#qt-platform_tabs-ui-tabs3

asound.conf

http://wiki.xbmc.org/index.php?title=Archive:HOW-TO:Setup_audio_over_HDMI_on_nVidia_GeForce/nForce_controller