What:		/sys/devices/.../resource_in_use
Date:		January 2013
Contact:	Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Description:
		The /sys/devices/.../resource_in_use attribute is only present
		for device objects representing ACPI power resources.

		If present, it contains a number (0 or 1) representing the
		current status of the given power resource (0 means that the
		resource is not in use and therefore it has been turned off).

		This attribute is read-only.