105 static int acpi_ac_get_state(struct acpi_ac *ac)  in acpi_ac_get_state()  argument
109 	if (!ac)  in acpi_ac_get_state()
112 	status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL,  in acpi_ac_get_state()
113 				       &ac->state);  in acpi_ac_get_state()
117 		ac->state = ACPI_AC_STATUS_UNKNOWN;  in acpi_ac_get_state()
131 	struct acpi_ac *ac = to_acpi_ac(psy);  in get_ac_property()  local
133 	if (!ac)  in get_ac_property()
136 	if (acpi_ac_get_state(ac))  in get_ac_property()
141 		val->intval = ac->state;  in get_ac_property()
162 	struct acpi_ac *ac = seq->private;  in acpi_ac_seq_show()  local
165 	if (!ac)  in acpi_ac_seq_show()
168 	if (acpi_ac_get_state(ac)) {  in acpi_ac_seq_show()
174 	switch (ac->state) {  in acpi_ac_seq_show()
189 static int acpi_ac_add_fs(struct acpi_ac *ac)  in acpi_ac_add_fs()  argument
195 	if (!acpi_device_dir(ac->device)) {  in acpi_ac_add_fs()
196 		acpi_device_dir(ac->device) =  in acpi_ac_add_fs()
197 			proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir);  in acpi_ac_add_fs()
198 		if (!acpi_device_dir(ac->device))  in acpi_ac_add_fs()
204 			acpi_device_dir(ac->device), acpi_ac_seq_show, ac);  in acpi_ac_add_fs()
210 static int acpi_ac_remove_fs(struct acpi_ac *ac)  in acpi_ac_remove_fs()  argument
213 	if (acpi_device_dir(ac->device)) {  in acpi_ac_remove_fs()
215 				  acpi_device_dir(ac->device));  in acpi_ac_remove_fs()
216 		remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir);  in acpi_ac_remove_fs()
217 		acpi_device_dir(ac->device) = NULL;  in acpi_ac_remove_fs()
230 	struct acpi_ac *ac = acpi_driver_data(device);  in acpi_ac_notify()  local
232 	if (!ac)  in acpi_ac_notify()
253 		acpi_ac_get_state(ac);  in acpi_ac_notify()
256 						  (u32) ac->state);  in acpi_ac_notify()
257 		acpi_notifier_call_chain(device, event, (u32) ac->state);  in acpi_ac_notify()
258 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);  in acpi_ac_notify()
267 	struct acpi_ac *ac = container_of(nb, struct acpi_ac, battery_nb);  in acpi_ac_battery_notify()  local
279 		acpi_ac_get_state(ac);  in acpi_ac_battery_notify()
328 	struct acpi_ac *ac = NULL;  in acpi_ac_add()  local
334 	ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);  in acpi_ac_add()
335 	if (!ac)  in acpi_ac_add()
338 	ac->device = device;  in acpi_ac_add()
341 	device->driver_data = ac;  in acpi_ac_add()
343 	result = acpi_ac_get_state(ac);  in acpi_ac_add()
347 	psy_cfg.drv_data = ac;  in acpi_ac_add()
349 	ac->charger_desc.name = acpi_device_bid(device);  in acpi_ac_add()
351 	result = acpi_ac_add_fs(ac);  in acpi_ac_add()
355 	ac->charger_desc.type = POWER_SUPPLY_TYPE_MAINS;  in acpi_ac_add()
356 	ac->charger_desc.properties = ac_props;  in acpi_ac_add()
357 	ac->charger_desc.num_properties = ARRAY_SIZE(ac_props);  in acpi_ac_add()
358 	ac->charger_desc.get_property = get_ac_property;  in acpi_ac_add()
359 	ac->charger = power_supply_register(&ac->device->dev,  in acpi_ac_add()
360 					    &ac->charger_desc, &psy_cfg);  in acpi_ac_add()
361 	if (IS_ERR(ac->charger)) {  in acpi_ac_add()
362 		result = PTR_ERR(ac->charger);  in acpi_ac_add()
368 	       ac->state ? "on-line" : "off-line");  in acpi_ac_add()
370 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;  in acpi_ac_add()
371 	register_acpi_notifier(&ac->battery_nb);  in acpi_ac_add()
375 		acpi_ac_remove_fs(ac);  in acpi_ac_add()
377 		kfree(ac);  in acpi_ac_add()
386 	struct acpi_ac *ac;  in acpi_ac_resume()  local
392 	ac = acpi_driver_data(to_acpi_device(dev));  in acpi_ac_resume()
393 	if (!ac)  in acpi_ac_resume()
396 	old_state = ac->state;  in acpi_ac_resume()
397 	if (acpi_ac_get_state(ac))  in acpi_ac_resume()
399 	if (old_state != ac->state)  in acpi_ac_resume()
400 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);  in acpi_ac_resume()
409 	struct acpi_ac *ac = NULL;  in acpi_ac_remove()  local
415 	ac = acpi_driver_data(device);  in acpi_ac_remove()
417 	power_supply_unregister(ac->charger);  in acpi_ac_remove()
418 	unregister_acpi_notifier(&ac->battery_nb);  in acpi_ac_remove()
421 	acpi_ac_remove_fs(ac);  in acpi_ac_remove()
424 	kfree(ac);  in acpi_ac_remove()