1What:		/sys/class/input/input(x)/device/startup
 2Date:		March 2014
 3Contact:	Carlo Caione <carlo@caione.org>
 4Description:	Startup time in us. Board is powered on if the button is pressed
 5		for more than <startup_time>
 6
 7What:		/sys/class/input/input(x)/device/shutdown
 8Date:		March 2014
 9Contact:	Carlo Caione <carlo@caione.org>
10Description:	Shutdown time in us. Board is powered off if the button is pressed
11		for more than <shutdown_time>