http://www.raspberrypi.org/phpBB3/viewtopic.php?f=24&t=2485&start=25
https://github.com/olajep/rpi-cecd
CEC
http://elinux.org/CEC_%28Consumer_Electronics_Control%29_over_HDMI#Where_to_begin_developing_CEC_support_for_Raspberry_Pi.3F
http://libcec.pulse-eight.com/
https://github.com/Pulse-Eight/libcec