On Út 07-03-06 10:11:31, Li Qiang-E3422C wrote: > '0' indicates the device is on. Other values (1-3) indicate the device > is in a low power state. > You can see ACPI's spec. Actually, no. This is broken interface, please do not use it. 0 == on, 2 or 3 == off. But do not use it. Pavel -- Web maintainer for suspend.sf.net (www.sf.net/projects/suspend) wanted...