89 static int acpi_ac_get_state(struct acpi_ac *ac)  in acpi_ac_get_state()  argument
93 	if (!ac)  in acpi_ac_get_state()
96 	status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL,  in acpi_ac_get_state()
97 				       &ac->state);  in acpi_ac_get_state()
99 		acpi_handle_info(ac->device->handle,  in acpi_ac_get_state()
102 		ac->state = ACPI_AC_STATUS_UNKNOWN;  in acpi_ac_get_state()
114 	struct acpi_ac *ac = to_acpi_ac(psy);  in get_ac_property()  local
116 	if (!ac)  in get_ac_property()
119 	if (acpi_ac_get_state(ac))  in get_ac_property()
124 		val->intval = ac->state;  in get_ac_property()
139 	struct acpi_ac *ac = acpi_driver_data(device);  in acpi_ac_notify()  local
141 	if (!ac)  in acpi_ac_notify()
162 		acpi_ac_get_state(ac);  in acpi_ac_notify()
165 						  (u32) ac->state);  in acpi_ac_notify()
166 		acpi_notifier_call_chain(device, event, (u32) ac->state);  in acpi_ac_notify()
167 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);  in acpi_ac_notify()
174 	struct acpi_ac *ac = container_of(nb, struct acpi_ac, battery_nb);  in acpi_ac_battery_notify()  local
186 		acpi_ac_get_state(ac);  in acpi_ac_battery_notify()
236 	struct acpi_ac *ac = NULL;  in acpi_ac_add()  local
242 	ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);  in acpi_ac_add()
243 	if (!ac)  in acpi_ac_add()
246 	ac->device = device;  in acpi_ac_add()
249 	device->driver_data = ac;  in acpi_ac_add()
251 	result = acpi_ac_get_state(ac);  in acpi_ac_add()
255 	psy_cfg.drv_data = ac;  in acpi_ac_add()
257 	ac->charger_desc.name = acpi_device_bid(device);  in acpi_ac_add()
258 	ac->charger_desc.type = POWER_SUPPLY_TYPE_MAINS;  in acpi_ac_add()
259 	ac->charger_desc.properties = ac_props;  in acpi_ac_add()
260 	ac->charger_desc.num_properties = ARRAY_SIZE(ac_props);  in acpi_ac_add()
261 	ac->charger_desc.get_property = get_ac_property;  in acpi_ac_add()
262 	ac->charger = power_supply_register(&ac->device->dev,  in acpi_ac_add()
263 					    &ac->charger_desc, &psy_cfg);  in acpi_ac_add()
264 	if (IS_ERR(ac->charger)) {  in acpi_ac_add()
265 		result = PTR_ERR(ac->charger);  in acpi_ac_add()
270 		acpi_device_bid(device), ac->state ? "on-line" : "off-line");  in acpi_ac_add()
272 	ac->battery_nb.notifier_call = acpi_ac_battery_notify;  in acpi_ac_add()
273 	register_acpi_notifier(&ac->battery_nb);  in acpi_ac_add()
276 		kfree(ac);  in acpi_ac_add()
284 	struct acpi_ac *ac;  in acpi_ac_resume()  local
290 	ac = acpi_driver_data(to_acpi_device(dev));  in acpi_ac_resume()
291 	if (!ac)  in acpi_ac_resume()
294 	old_state = ac->state;  in acpi_ac_resume()
295 	if (acpi_ac_get_state(ac))  in acpi_ac_resume()
297 	if (old_state != ac->state)  in acpi_ac_resume()
298 		kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);  in acpi_ac_resume()
307 	struct acpi_ac *ac = NULL;  in acpi_ac_remove()  local
313 	ac = acpi_driver_data(device);  in acpi_ac_remove()
315 	power_supply_unregister(ac->charger);  in acpi_ac_remove()
316 	unregister_acpi_notifier(&ac->battery_nb);  in acpi_ac_remove()
318 	kfree(ac);  in acpi_ac_remove()