39 static enum rbtn_type rbtn_check(struct acpi_device *device)  in rbtn_check()  argument
44 	status = acpi_evaluate_integer(device->handle, "CRBT", NULL, &output);  in rbtn_check()
60 static int rbtn_get(struct acpi_device *device)  in rbtn_get()  argument
65 	status = acpi_evaluate_integer(device->handle, "GRBT", NULL, &output);  in rbtn_get()
72 static int rbtn_acquire(struct acpi_device *device, bool enable)  in rbtn_acquire()  argument
83 	status = acpi_evaluate_object(device->handle, "ARBT", &input, NULL);  in rbtn_acquire()
97 	struct acpi_device *device = data;  in rbtn_rfkill_query()  local
100 	state = rbtn_get(device);  in rbtn_rfkill_query()
118 static int rbtn_rfkill_init(struct acpi_device *device)  in rbtn_rfkill_init()  argument
120 	struct rbtn_data *rbtn_data = device->driver_data;  in rbtn_rfkill_init()
131 	rbtn_data->rfkill = rfkill_alloc("dell-rbtn", &device->dev,  in rbtn_rfkill_init()
132 					 RFKILL_TYPE_WLAN, &rbtn_ops, device);  in rbtn_rfkill_init()
146 static void rbtn_rfkill_exit(struct acpi_device *device)  in rbtn_rfkill_exit()  argument
148 	struct rbtn_data *rbtn_data = device->driver_data;  in rbtn_rfkill_exit()
158 static void rbtn_rfkill_event(struct acpi_device *device)  in rbtn_rfkill_event()  argument
160 	struct rbtn_data *rbtn_data = device->driver_data;  in rbtn_rfkill_event()
163 		rbtn_rfkill_query(rbtn_data->rfkill, device);  in rbtn_rfkill_event()
214 static int rbtn_add(struct acpi_device *device);
215 static int rbtn_remove(struct acpi_device *device);
216 static void rbtn_notify(struct acpi_device *device, u32 event);
232 static int rbtn_suspend(struct device *dev)  in rbtn_suspend()
234 	struct acpi_device *device = to_acpi_device(dev);  in rbtn_suspend()  local
235 	struct rbtn_data *rbtn_data = acpi_driver_data(device);  in rbtn_suspend()
242 static int rbtn_resume(struct device *dev)  in rbtn_resume()
244 	struct acpi_device *device = to_acpi_device(dev);  in rbtn_resume()  local
245 	struct rbtn_data *rbtn_data = acpi_driver_data(device);  in rbtn_resume()
290 static int rbtn_inc_count(struct device *dev, void *data)  in rbtn_inc_count()
292 	struct acpi_device *device = to_acpi_device(dev);  in rbtn_inc_count()  local
293 	struct rbtn_data *rbtn_data = device->driver_data;  in rbtn_inc_count()
302 static int rbtn_switch_dev(struct device *dev, void *data)  in rbtn_switch_dev()
304 	struct acpi_device *device = to_acpi_device(dev);  in rbtn_switch_dev()  local
305 	struct rbtn_data *rbtn_data = device->driver_data;  in rbtn_switch_dev()
312 		rbtn_rfkill_init(device);  in rbtn_switch_dev()
314 		rbtn_rfkill_exit(device);  in rbtn_switch_dev()
366 static int rbtn_add(struct acpi_device *device)  in rbtn_add()  argument
372 	type = rbtn_check(device);  in rbtn_add()
374 		dev_info(&device->dev, "Unknown device type\n");  in rbtn_add()
378 	ret = rbtn_acquire(device, true);  in rbtn_add()
380 		dev_err(&device->dev, "Cannot enable device\n");  in rbtn_add()
384 	rbtn_data = devm_kzalloc(&device->dev, sizeof(*rbtn_data), GFP_KERNEL);  in rbtn_add()
389 	device->driver_data = rbtn_data;  in rbtn_add()
399 			ret = rbtn_rfkill_init(device);  in rbtn_add()
409 static int rbtn_remove(struct acpi_device *device)  in rbtn_remove()  argument
411 	struct rbtn_data *rbtn_data = device->driver_data;  in rbtn_remove()
418 		rbtn_rfkill_exit(device);  in rbtn_remove()
424 	rbtn_acquire(device, false);  in rbtn_remove()
425 	device->driver_data = NULL;  in rbtn_remove()
430 static void rbtn_notify(struct acpi_device *device, u32 event)  in rbtn_notify()  argument
432 	struct rbtn_data *rbtn_data = device->driver_data;  in rbtn_notify()
439 		dev_dbg(&device->dev, "ACPI notification ignored\n");  in rbtn_notify()
444 		dev_info(&device->dev, "Received unknown event (0x%x)\n",  in rbtn_notify()
454 		rbtn_rfkill_event(device);  in rbtn_notify()
455 		atomic_notifier_call_chain(&rbtn_chain_head, event, device);  in rbtn_notify()