77 static int acpi_ac_get_state(struct acpi_ac *ac)  in acpi_ac_get_state()  argument
81 	if (!ac)  in acpi_ac_get_state()
85 		ac->state = 1;  in acpi_ac_get_state()
89 	status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL,  in acpi_ac_get_state()
90 				       &ac->state);  in acpi_ac_get_state()
92 		acpi_handle_info(ac->device->handle,  in acpi_ac_get_state()
95 		ac->state = ACPI_AC_STATUS_UNKNOWN;  in acpi_ac_get_state()
107 	struct acpi_ac *ac = to_acpi_ac(psy);  in get_ac_property()  local
109 	if (!ac)  in get_ac_property()
112 	if (acpi_ac_get_state(ac))  in get_ac_property()
117 		val->intval = ac->state;  in get_ac_property()
133 	struct acpi_ac *ac = acpi_driver_data(device);  in acpi_ac_notify()  local
135 	if (!ac)  in acpi_ac_notify()
156 		acpi_ac_get_state(ac);  in acpi_ac_notify()
159 						  (u32) ac->state);  in acpi_ac_notify()
160 		acpi_notifier_call_chain(device, event, (u32) ac->state);  in acpi_ac_notify()
161 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);  in acpi_ac_notify()
168 	struct acpi_ac *ac = container_of(nb, struct acpi_ac, battery_nb);  in acpi_ac_battery_notify()  local
180 		acpi_ac_get_state(ac);  in acpi_ac_battery_notify()
221 	struct acpi_ac *ac = NULL;  in acpi_ac_add()  local
227 	ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);  in acpi_ac_add()
228 	if (!ac)  in acpi_ac_add()
231 	ac->device = device;  in acpi_ac_add()
234 	device->driver_data = ac;  in acpi_ac_add()
236 	result = acpi_ac_get_state(ac);  in acpi_ac_add()
240 	psy_cfg.drv_data = ac;  in acpi_ac_add()
242 	ac->charger_desc.name = acpi_device_bid(device);  in acpi_ac_add()
243 	ac->charger_desc.type = POWER_SUPPLY_TYPE_MAINS;  in acpi_ac_add()
244 	ac->charger_desc.properties = ac_props;  in acpi_ac_add()
245 	ac->charger_desc.num_properties = ARRAY_SIZE(ac_props);  in acpi_ac_add()
246 	ac->charger_desc.get_property = get_ac_property;  in acpi_ac_add()
247 	ac->charger = power_supply_register(&ac->device->dev,  in acpi_ac_add()
248 					    &ac->charger_desc, &psy_cfg);  in acpi_ac_add()
249 	if (IS_ERR(ac->charger)) {  in acpi_ac_add()
250 		result = PTR_ERR(ac->charger);  in acpi_ac_add()
255 		acpi_device_bid(device), ac->state ? "on-line" : "off-line");  in acpi_ac_add()
257 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;  in acpi_ac_add()
258 	register_acpi_notifier(&ac->battery_nb);  in acpi_ac_add()
261 		kfree(ac);  in acpi_ac_add()
269 	struct acpi_ac *ac;  in acpi_ac_resume()  local
275 	ac = acpi_driver_data(to_acpi_device(dev));  in acpi_ac_resume()
276 	if (!ac)  in acpi_ac_resume()
279 	old_state = ac->state;  in acpi_ac_resume()
280 	if (acpi_ac_get_state(ac))  in acpi_ac_resume()
282 	if (old_state != ac->state)  in acpi_ac_resume()
283 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);  in acpi_ac_resume()
293 	struct acpi_ac *ac = NULL;  in acpi_ac_remove()  local
298 	ac = acpi_driver_data(device);  in acpi_ac_remove()
300 	power_supply_unregister(ac->charger);  in acpi_ac_remove()
301 	unregister_acpi_notifier(&ac->battery_nb);  in acpi_ac_remove()
303 	kfree(ac);  in acpi_ac_remove()