1 2 extern u8 sleep_states[]; 3 extern int acpi_suspend(u32 state); 4 5 extern void acpi_enable_wakeup_devices(u8 sleep_state); 6 extern void acpi_disable_wakeup_devices(u8 sleep_state); 7 8 extern struct list_head acpi_wakeup_device_list; 9 extern struct mutex acpi_device_lock; 10