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