1 2 extern void acpi_enable_wakeup_devices(u8 sleep_state); 3 extern void acpi_disable_wakeup_devices(u8 sleep_state); 4 5 extern struct list_head acpi_wakeup_device_list; 6 extern struct mutex acpi_device_lock; 7 8 extern void acpi_resume_power_resources(void); 9