120 static int acpi_ac_get_state(struct acpi_ac *ac)  in acpi_ac_get_state()  argument
124 	if (!ac)  in acpi_ac_get_state()
127 	status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL,  in acpi_ac_get_state()
128 				       &ac->state);  in acpi_ac_get_state()
132 		ac->state = ACPI_AC_STATUS_UNKNOWN;  in acpi_ac_get_state()
146 	struct acpi_ac *ac = to_acpi_ac(psy);  in get_ac_property()  local
148 	if (!ac)  in get_ac_property()
151 	if (acpi_ac_get_state(ac))  in get_ac_property()
156 		val->intval = ac->state;  in get_ac_property()
177 	struct acpi_ac *ac = seq->private;  in acpi_ac_seq_show()  local
180 	if (!ac)  in acpi_ac_seq_show()
183 	if (acpi_ac_get_state(ac)) {  in acpi_ac_seq_show()
189 	switch (ac->state) {  in acpi_ac_seq_show()
209 static int acpi_ac_add_fs(struct acpi_ac *ac)  in acpi_ac_add_fs()  argument
215 	if (!acpi_device_dir(ac->device)) {  in acpi_ac_add_fs()
216 		acpi_device_dir(ac->device) =  in acpi_ac_add_fs()
217 			proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir);  in acpi_ac_add_fs()
218 		if (!acpi_device_dir(ac->device))  in acpi_ac_add_fs()
224 				 S_IRUGO, acpi_device_dir(ac->device),  in acpi_ac_add_fs()
225 				 &acpi_ac_fops, ac);  in acpi_ac_add_fs()
231 static int acpi_ac_remove_fs(struct acpi_ac *ac)  in acpi_ac_remove_fs()  argument
234 	if (acpi_device_dir(ac->device)) {  in acpi_ac_remove_fs()
236 				  acpi_device_dir(ac->device));  in acpi_ac_remove_fs()
237 		remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir);  in acpi_ac_remove_fs()
238 		acpi_device_dir(ac->device) = NULL;  in acpi_ac_remove_fs()
251 	struct acpi_ac *ac = acpi_driver_data(device);  in acpi_ac_notify()  local
253 	if (!ac)  in acpi_ac_notify()
273 		acpi_ac_get_state(ac);  in acpi_ac_notify()
276 						  (u32) ac->state);  in acpi_ac_notify()
277 		acpi_notifier_call_chain(device, event, (u32) ac->state);  in acpi_ac_notify()
278 		kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);  in acpi_ac_notify()
287 	struct acpi_ac *ac = container_of(nb, struct acpi_ac, battery_nb);  in acpi_ac_battery_notify()  local
299 		acpi_ac_get_state(ac);  in acpi_ac_battery_notify()
325 	struct acpi_ac *ac = NULL;  in acpi_ac_add()  local
331 	ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);  in acpi_ac_add()
332 	if (!ac)  in acpi_ac_add()
335 	ac->device = device;  in acpi_ac_add()
338 	device->driver_data = ac;  in acpi_ac_add()
340 	result = acpi_ac_get_state(ac);  in acpi_ac_add()
344 	ac->charger.name = acpi_device_bid(device);  in acpi_ac_add()
346 	result = acpi_ac_add_fs(ac);  in acpi_ac_add()
350 	ac->charger.type = POWER_SUPPLY_TYPE_MAINS;  in acpi_ac_add()
351 	ac->charger.properties = ac_props;  in acpi_ac_add()
352 	ac->charger.num_properties = ARRAY_SIZE(ac_props);  in acpi_ac_add()
353 	ac->charger.get_property = get_ac_property;  in acpi_ac_add()
354 	result = power_supply_register(&ac->device->dev, &ac->charger);  in acpi_ac_add()
360 	       ac->state ? "on-line" : "off-line");  in acpi_ac_add()
362 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;  in acpi_ac_add()
363 	register_acpi_notifier(&ac->battery_nb);  in acpi_ac_add()
367 		acpi_ac_remove_fs(ac);  in acpi_ac_add()
369 		kfree(ac);  in acpi_ac_add()
379 	struct acpi_ac *ac;  in acpi_ac_resume()  local
385 	ac = acpi_driver_data(to_acpi_device(dev));  in acpi_ac_resume()
386 	if (!ac)  in acpi_ac_resume()
389 	old_state = ac->state;  in acpi_ac_resume()
390 	if (acpi_ac_get_state(ac))  in acpi_ac_resume()
392 	if (old_state != ac->state)  in acpi_ac_resume()
393 		kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);  in acpi_ac_resume()
402 	struct acpi_ac *ac = NULL;  in acpi_ac_remove()  local
408 	ac = acpi_driver_data(device);  in acpi_ac_remove()
410 	if (ac->charger.dev)  in acpi_ac_remove()
411 		power_supply_unregister(&ac->charger);  in acpi_ac_remove()
412 	unregister_acpi_notifier(&ac->battery_nb);  in acpi_ac_remove()
415 	acpi_ac_remove_fs(ac);  in acpi_ac_remove()
418 	kfree(ac);  in acpi_ac_remove()