118 static int acpi_ac_get_state(struct acpi_ac *ac)  in acpi_ac_get_state()  argument
122 	if (!ac)  in acpi_ac_get_state()
125 	status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL,  in acpi_ac_get_state()
126 				       &ac->state);  in acpi_ac_get_state()
130 		ac->state = ACPI_AC_STATUS_UNKNOWN;  in acpi_ac_get_state()
144 	struct acpi_ac *ac = to_acpi_ac(psy);  in get_ac_property()  local
146 	if (!ac)  in get_ac_property()
149 	if (acpi_ac_get_state(ac))  in get_ac_property()
154 		val->intval = ac->state;  in get_ac_property()
175 	struct acpi_ac *ac = seq->private;  in acpi_ac_seq_show()  local
178 	if (!ac)  in acpi_ac_seq_show()
181 	if (acpi_ac_get_state(ac)) {  in acpi_ac_seq_show()
187 	switch (ac->state) {  in acpi_ac_seq_show()
202 static int acpi_ac_add_fs(struct acpi_ac *ac)  in acpi_ac_add_fs()  argument
208 	if (!acpi_device_dir(ac->device)) {  in acpi_ac_add_fs()
209 		acpi_device_dir(ac->device) =  in acpi_ac_add_fs()
210 			proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir);  in acpi_ac_add_fs()
211 		if (!acpi_device_dir(ac->device))  in acpi_ac_add_fs()
217 			acpi_device_dir(ac->device), acpi_ac_seq_show, ac);  in acpi_ac_add_fs()
223 static int acpi_ac_remove_fs(struct acpi_ac *ac)  in acpi_ac_remove_fs()  argument
226 	if (acpi_device_dir(ac->device)) {  in acpi_ac_remove_fs()
228 				  acpi_device_dir(ac->device));  in acpi_ac_remove_fs()
229 		remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir);  in acpi_ac_remove_fs()
230 		acpi_device_dir(ac->device) = NULL;  in acpi_ac_remove_fs()
243 	struct acpi_ac *ac = acpi_driver_data(device);  in acpi_ac_notify()  local
245 	if (!ac)  in acpi_ac_notify()
266 		acpi_ac_get_state(ac);  in acpi_ac_notify()
269 						  (u32) ac->state);  in acpi_ac_notify()
270 		acpi_notifier_call_chain(device, event, (u32) ac->state);  in acpi_ac_notify()
271 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);  in acpi_ac_notify()
280 	struct acpi_ac *ac = container_of(nb, struct acpi_ac, battery_nb);  in acpi_ac_battery_notify()  local
292 		acpi_ac_get_state(ac);  in acpi_ac_battery_notify()
341 	struct acpi_ac *ac = NULL;  in acpi_ac_add()  local
347 	ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);  in acpi_ac_add()
348 	if (!ac)  in acpi_ac_add()
351 	ac->device = device;  in acpi_ac_add()
354 	device->driver_data = ac;  in acpi_ac_add()
356 	result = acpi_ac_get_state(ac);  in acpi_ac_add()
360 	psy_cfg.drv_data = ac;  in acpi_ac_add()
362 	ac->charger_desc.name = acpi_device_bid(device);  in acpi_ac_add()
364 	result = acpi_ac_add_fs(ac);  in acpi_ac_add()
368 	ac->charger_desc.type = POWER_SUPPLY_TYPE_MAINS;  in acpi_ac_add()
369 	ac->charger_desc.properties = ac_props;  in acpi_ac_add()
370 	ac->charger_desc.num_properties = ARRAY_SIZE(ac_props);  in acpi_ac_add()
371 	ac->charger_desc.get_property = get_ac_property;  in acpi_ac_add()
372 	ac->charger = power_supply_register(&ac->device->dev,  in acpi_ac_add()
373 					    &ac->charger_desc, &psy_cfg);  in acpi_ac_add()
374 	if (IS_ERR(ac->charger)) {  in acpi_ac_add()
375 		result = PTR_ERR(ac->charger);  in acpi_ac_add()
381 	       ac->state ? "on-line" : "off-line");  in acpi_ac_add()
383 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;  in acpi_ac_add()
384 	register_acpi_notifier(&ac->battery_nb);  in acpi_ac_add()
388 		acpi_ac_remove_fs(ac);  in acpi_ac_add()
390 		kfree(ac);  in acpi_ac_add()
399 	struct acpi_ac *ac;  in acpi_ac_resume()  local
405 	ac = acpi_driver_data(to_acpi_device(dev));  in acpi_ac_resume()
406 	if (!ac)  in acpi_ac_resume()
409 	old_state = ac->state;  in acpi_ac_resume()
410 	if (acpi_ac_get_state(ac))  in acpi_ac_resume()
412 	if (old_state != ac->state)  in acpi_ac_resume()
413 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);  in acpi_ac_resume()
422 	struct acpi_ac *ac = NULL;  in acpi_ac_remove()  local
428 	ac = acpi_driver_data(device);  in acpi_ac_remove()
430 	power_supply_unregister(ac->charger);  in acpi_ac_remove()
431 	unregister_acpi_notifier(&ac->battery_nb);  in acpi_ac_remove()
434 	acpi_ac_remove_fs(ac);  in acpi_ac_remove()
437 	kfree(ac);  in acpi_ac_remove()