121 static int acpi_ac_get_state(struct acpi_ac *ac)  in acpi_ac_get_state()  argument
125 	if (!ac)  in acpi_ac_get_state()
128 	status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL,  in acpi_ac_get_state()
129 				       &ac->state);  in acpi_ac_get_state()
133 		ac->state = ACPI_AC_STATUS_UNKNOWN;  in acpi_ac_get_state()
147 	struct acpi_ac *ac = to_acpi_ac(psy);  in get_ac_property()  local
149 	if (!ac)  in get_ac_property()
152 	if (acpi_ac_get_state(ac))  in get_ac_property()
157 		val->intval = ac->state;  in get_ac_property()
178 	struct acpi_ac *ac = seq->private;  in acpi_ac_seq_show()  local
181 	if (!ac)  in acpi_ac_seq_show()
184 	if (acpi_ac_get_state(ac)) {  in acpi_ac_seq_show()
190 	switch (ac->state) {  in acpi_ac_seq_show()
210 static int acpi_ac_add_fs(struct acpi_ac *ac)  in acpi_ac_add_fs()  argument
216 	if (!acpi_device_dir(ac->device)) {  in acpi_ac_add_fs()
217 		acpi_device_dir(ac->device) =  in acpi_ac_add_fs()
218 			proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir);  in acpi_ac_add_fs()
219 		if (!acpi_device_dir(ac->device))  in acpi_ac_add_fs()
225 				 S_IRUGO, acpi_device_dir(ac->device),  in acpi_ac_add_fs()
226 				 &acpi_ac_fops, ac);  in acpi_ac_add_fs()
232 static int acpi_ac_remove_fs(struct acpi_ac *ac)  in acpi_ac_remove_fs()  argument
235 	if (acpi_device_dir(ac->device)) {  in acpi_ac_remove_fs()
237 				  acpi_device_dir(ac->device));  in acpi_ac_remove_fs()
238 		remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir);  in acpi_ac_remove_fs()
239 		acpi_device_dir(ac->device) = NULL;  in acpi_ac_remove_fs()
252 	struct acpi_ac *ac = acpi_driver_data(device);  in acpi_ac_notify()  local
254 	if (!ac)  in acpi_ac_notify()
274 		acpi_ac_get_state(ac);  in acpi_ac_notify()
277 						  (u32) ac->state);  in acpi_ac_notify()
278 		acpi_notifier_call_chain(device, event, (u32) ac->state);  in acpi_ac_notify()
279 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);  in acpi_ac_notify()
288 	struct acpi_ac *ac = container_of(nb, struct acpi_ac, battery_nb);  in acpi_ac_battery_notify()  local
300 		acpi_ac_get_state(ac);  in acpi_ac_battery_notify()
327 	struct acpi_ac *ac = NULL;  in acpi_ac_add()  local
333 	ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);  in acpi_ac_add()
334 	if (!ac)  in acpi_ac_add()
337 	ac->device = device;  in acpi_ac_add()
340 	device->driver_data = ac;  in acpi_ac_add()
342 	result = acpi_ac_get_state(ac);  in acpi_ac_add()
346 	psy_cfg.drv_data = ac;  in acpi_ac_add()
348 	ac->charger_desc.name = acpi_device_bid(device);  in acpi_ac_add()
350 	result = acpi_ac_add_fs(ac);  in acpi_ac_add()
354 	ac->charger_desc.type = POWER_SUPPLY_TYPE_MAINS;  in acpi_ac_add()
355 	ac->charger_desc.properties = ac_props;  in acpi_ac_add()
356 	ac->charger_desc.num_properties = ARRAY_SIZE(ac_props);  in acpi_ac_add()
357 	ac->charger_desc.get_property = get_ac_property;  in acpi_ac_add()
358 	ac->charger = power_supply_register(&ac->device->dev,  in acpi_ac_add()
359 					    &ac->charger_desc, &psy_cfg);  in acpi_ac_add()
360 	if (IS_ERR(ac->charger)) {  in acpi_ac_add()
361 		result = PTR_ERR(ac->charger);  in acpi_ac_add()
367 	       ac->state ? "on-line" : "off-line");  in acpi_ac_add()
369 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;  in acpi_ac_add()
370 	register_acpi_notifier(&ac->battery_nb);  in acpi_ac_add()
374 		acpi_ac_remove_fs(ac);  in acpi_ac_add()
376 		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()