What: /sys/devices/.../power_resources_D0/ Date: January 2013 Contact: Rafael J. Wysocki Description: The /sys/devices/.../power_resources_D0/ directory is only present for device objects representing ACPI device nodes that use ACPI power resources for power management. If present, it contains symbolic links to device directories representing ACPI power resources that need to be turned on for the given device node to be in ACPI power state D0. The names of the links are the same as the names of the directories they point to.