77 static int acpi_button_add(struct acpi_device *device);
78 static int acpi_button_remove(struct acpi_device *device);
79 static void acpi_button_notify(struct acpi_device *device, u32 event);
82 static int acpi_button_suspend(struct device *dev);
83 static int acpi_button_resume(struct device *dev);
122 	struct acpi_device *device = seq->private;  in acpi_button_state_seq_show()  local
126 	status = acpi_evaluate_integer(device->handle, "_LID", NULL, &state);  in acpi_button_state_seq_show()
146 static int acpi_button_add_fs(struct acpi_device *device)  in acpi_button_add_fs()  argument
148 	struct acpi_button *button = acpi_driver_data(device);  in acpi_button_add_fs()
174 	acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_lid_dir);  in acpi_button_add_fs()
175 	if (!acpi_device_dir(device)) {  in acpi_button_add_fs()
182 				 S_IRUGO, acpi_device_dir(device),  in acpi_button_add_fs()
183 				 &acpi_button_state_fops, device);  in acpi_button_add_fs()
193 	remove_proc_entry(acpi_device_bid(device),  in acpi_button_add_fs()
195 	acpi_device_dir(device) = NULL;  in acpi_button_add_fs()
203 static int acpi_button_remove_fs(struct acpi_device *device)  in acpi_button_remove_fs()  argument
205 	struct acpi_button *button = acpi_driver_data(device);  in acpi_button_remove_fs()
211 			  acpi_device_dir(device));  in acpi_button_remove_fs()
212 	remove_proc_entry(acpi_device_bid(device),  in acpi_button_remove_fs()
214 	acpi_device_dir(device) = NULL;  in acpi_button_remove_fs()
253 static int acpi_lid_send_state(struct acpi_device *device)  in acpi_lid_send_state()  argument
255 	struct acpi_button *button = acpi_driver_data(device);  in acpi_lid_send_state()
260 	status = acpi_evaluate_integer(device->handle, "_LID", NULL, &state);  in acpi_lid_send_state()
269 		pm_wakeup_event(&device->dev, 0);  in acpi_lid_send_state()
271 	ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device);  in acpi_lid_send_state()
274 						   device);  in acpi_lid_send_state()
285 static void acpi_button_notify(struct acpi_device *device, u32 event)  in acpi_button_notify()  argument
287 	struct acpi_button *button = acpi_driver_data(device);  in acpi_button_notify()
297 			acpi_lid_send_state(device);  in acpi_button_notify()
301 			pm_wakeup_event(&device->dev, 0);  in acpi_button_notify()
313 					device->pnp.device_class,  in acpi_button_notify()
314 					dev_name(&device->dev),  in acpi_button_notify()
326 static int acpi_button_suspend(struct device *dev)  in acpi_button_suspend()
328 	struct acpi_device *device = to_acpi_device(dev);  in acpi_button_suspend()  local
329 	struct acpi_button *button = acpi_driver_data(device);  in acpi_button_suspend()
335 static int acpi_button_resume(struct device *dev)  in acpi_button_resume()
337 	struct acpi_device *device = to_acpi_device(dev);  in acpi_button_resume()  local
338 	struct acpi_button *button = acpi_driver_data(device);  in acpi_button_resume()
342 		return acpi_lid_send_state(device);  in acpi_button_resume()
347 static int acpi_button_add(struct acpi_device *device)  in acpi_button_add()  argument
351 	const char *hid = acpi_device_hid(device);  in acpi_button_add()
359 	device->driver_data = button;  in acpi_button_add()
367 	name = acpi_device_name(device);  in acpi_button_add()
368 	class = acpi_device_class(device);  in acpi_button_add()
393 	error = acpi_button_add_fs(device);  in acpi_button_add()
403 	input->dev.parent = &device->dev;  in acpi_button_add()
423 		acpi_lid_send_state(device);  in acpi_button_add()
428 		lid_device = device;  in acpi_button_add()
431 	printk(KERN_INFO PREFIX "%s [%s]\n", name, acpi_device_bid(device));  in acpi_button_add()
435 	acpi_button_remove_fs(device);  in acpi_button_add()
443 static int acpi_button_remove(struct acpi_device *device)  in acpi_button_remove()  argument
445 	struct acpi_button *button = acpi_driver_data(device);  in acpi_button_remove()
447 	acpi_button_remove_fs(device);  in acpi_button_remove()