30 	struct led_classdev *led_cdev = dev_get_drvdata(dev);  in brightness_show()  local
33 	led_update_brightness(led_cdev);  in brightness_show()
35 	return sprintf(buf, "%u\n", led_cdev->brightness);  in brightness_show()
41 	struct led_classdev *led_cdev = dev_get_drvdata(dev);  in brightness_store()  local
45 	mutex_lock(&led_cdev->led_access);  in brightness_store()
47 	if (led_sysfs_is_disabled(led_cdev)) {  in brightness_store()
57 		led_trigger_remove(led_cdev);  in brightness_store()
58 	led_set_brightness(led_cdev, state);  in brightness_store()
59 	flush_work(&led_cdev->set_brightness_work);  in brightness_store()
63 	mutex_unlock(&led_cdev->led_access);  in brightness_store()
71 	struct led_classdev *led_cdev = dev_get_drvdata(dev);  in max_brightness_show()  local
73 	return sprintf(buf, "%u\n", led_cdev->max_brightness);  in max_brightness_show()
110 	struct led_classdev *led_cdev = dev_get_drvdata(dev);  in brightness_hw_changed_show()  local
112 	if (led_cdev->brightness_hw_changed == -1)  in brightness_hw_changed_show()
115 	return sprintf(buf, "%u\n", led_cdev->brightness_hw_changed);  in brightness_hw_changed_show()
120 static int led_add_brightness_hw_changed(struct led_classdev *led_cdev)  in led_add_brightness_hw_changed()  argument
122 	struct device *dev = led_cdev->dev;  in led_add_brightness_hw_changed()
131 	led_cdev->brightness_hw_changed_kn =  in led_add_brightness_hw_changed()
133 	if (!led_cdev->brightness_hw_changed_kn) {  in led_add_brightness_hw_changed()
142 static void led_remove_brightness_hw_changed(struct led_classdev *led_cdev)  in led_remove_brightness_hw_changed()  argument
144 	sysfs_put(led_cdev->brightness_hw_changed_kn);  in led_remove_brightness_hw_changed()
145 	device_remove_file(led_cdev->dev, &dev_attr_brightness_hw_changed);  in led_remove_brightness_hw_changed()
148 void led_classdev_notify_brightness_hw_changed(struct led_classdev *led_cdev,  in led_classdev_notify_brightness_hw_changed()  argument
151 	if (WARN_ON(!led_cdev->brightness_hw_changed_kn))  in led_classdev_notify_brightness_hw_changed()
154 	led_cdev->brightness_hw_changed = brightness;  in led_classdev_notify_brightness_hw_changed()
155 	sysfs_notify_dirent(led_cdev->brightness_hw_changed_kn);  in led_classdev_notify_brightness_hw_changed()
159 static int led_add_brightness_hw_changed(struct led_classdev *led_cdev)  in led_add_brightness_hw_changed()  argument
163 static void led_remove_brightness_hw_changed(struct led_classdev *led_cdev)  in led_remove_brightness_hw_changed()  argument
172 void led_classdev_suspend(struct led_classdev *led_cdev)  in led_classdev_suspend()  argument
174 	led_cdev->flags |= LED_SUSPENDED;  in led_classdev_suspend()
175 	led_set_brightness_nopm(led_cdev, 0);  in led_classdev_suspend()
176 	flush_work(&led_cdev->set_brightness_work);  in led_classdev_suspend()
184 void led_classdev_resume(struct led_classdev *led_cdev)  in led_classdev_resume()  argument
186 	led_set_brightness_nopm(led_cdev, led_cdev->brightness);  in led_classdev_resume()
188 	if (led_cdev->flash_resume)  in led_classdev_resume()
189 		led_cdev->flash_resume(led_cdev);  in led_classdev_resume()
191 	led_cdev->flags &= ~LED_SUSPENDED;  in led_classdev_resume()
198 	struct led_classdev *led_cdev = dev_get_drvdata(dev);  in led_suspend()  local
200 	if (led_cdev->flags & LED_CORE_SUSPENDRESUME)  in led_suspend()
201 		led_classdev_suspend(led_cdev);  in led_suspend()
208 	struct led_classdev *led_cdev = dev_get_drvdata(dev);  in led_resume()  local
210 	if (led_cdev->flags & LED_CORE_SUSPENDRESUME)  in led_resume()
211 		led_classdev_resume(led_cdev);  in led_resume()
230 	struct led_classdev *led_cdev;  in of_led_get()  local
243 	led_cdev = dev_get_drvdata(led_dev);  in of_led_get()
245 	if (!try_module_get(led_cdev->dev->parent->driver->owner))  in of_led_get()
248 	return led_cdev;  in of_led_get()
256 void led_put(struct led_classdev *led_cdev)  in led_put()  argument
258 	module_put(led_cdev->dev->parent->driver->owner);  in led_put()
337 			      struct led_classdev *led_cdev,  in led_classdev_register_ext()  argument
357 				&led_cdev->default_trigger);  in led_classdev_register_ext()
359 		proposed_name = led_cdev->name;  in led_classdev_register_ext()
366 	mutex_init(&led_cdev->led_access);  in led_classdev_register_ext()
367 	mutex_lock(&led_cdev->led_access);  in led_classdev_register_ext()
368 	led_cdev->dev = device_create_with_groups(leds_class, parent, 0,  in led_classdev_register_ext()
369 				led_cdev, led_cdev->groups, "%s", final_name);  in led_classdev_register_ext()
370 	if (IS_ERR(led_cdev->dev)) {  in led_classdev_register_ext()
371 		mutex_unlock(&led_cdev->led_access);  in led_classdev_register_ext()
372 		return PTR_ERR(led_cdev->dev);  in led_classdev_register_ext()
375 		led_cdev->dev->fwnode = init_data->fwnode;  in led_classdev_register_ext()
376 		led_cdev->dev->of_node = to_of_node(init_data->fwnode);  in led_classdev_register_ext()
381 				proposed_name, dev_name(led_cdev->dev));  in led_classdev_register_ext()
383 	if (led_cdev->flags & LED_BRIGHT_HW_CHANGED) {  in led_classdev_register_ext()
384 		ret = led_add_brightness_hw_changed(led_cdev);  in led_classdev_register_ext()
386 			device_unregister(led_cdev->dev);  in led_classdev_register_ext()
387 			led_cdev->dev = NULL;  in led_classdev_register_ext()
388 			mutex_unlock(&led_cdev->led_access);  in led_classdev_register_ext()
393 	led_cdev->work_flags = 0;  in led_classdev_register_ext()
395 	init_rwsem(&led_cdev->trigger_lock);  in led_classdev_register_ext()
398 	led_cdev->brightness_hw_changed = -1;  in led_classdev_register_ext()
402 	list_add_tail(&led_cdev->node, &leds_list);  in led_classdev_register_ext()
405 	if (!led_cdev->max_brightness)  in led_classdev_register_ext()
406 		led_cdev->max_brightness = LED_FULL;  in led_classdev_register_ext()
408 	led_update_brightness(led_cdev);  in led_classdev_register_ext()
410 	led_init_core(led_cdev);  in led_classdev_register_ext()
413 	led_trigger_set_default(led_cdev);  in led_classdev_register_ext()
416 	mutex_unlock(&led_cdev->led_access);  in led_classdev_register_ext()
419 			led_cdev->name);  in led_classdev_register_ext()
431 void led_classdev_unregister(struct led_classdev *led_cdev)  in led_classdev_unregister()  argument
433 	if (IS_ERR_OR_NULL(led_cdev->dev))  in led_classdev_unregister()
437 	down_write(&led_cdev->trigger_lock);  in led_classdev_unregister()
438 	if (led_cdev->trigger)  in led_classdev_unregister()
439 		led_trigger_set(led_cdev, NULL);  in led_classdev_unregister()
440 	up_write(&led_cdev->trigger_lock);  in led_classdev_unregister()
443 	led_cdev->flags |= LED_UNREGISTERING;  in led_classdev_unregister()
446 	led_stop_software_blink(led_cdev);  in led_classdev_unregister()
448 	led_set_brightness(led_cdev, LED_OFF);  in led_classdev_unregister()
450 	flush_work(&led_cdev->set_brightness_work);  in led_classdev_unregister()
452 	if (led_cdev->flags & LED_BRIGHT_HW_CHANGED)  in led_classdev_unregister()
453 		led_remove_brightness_hw_changed(led_cdev);  in led_classdev_unregister()
455 	device_unregister(led_cdev->dev);  in led_classdev_unregister()
458 	list_del(&led_cdev->node);  in led_classdev_unregister()
461 	mutex_destroy(&led_cdev->led_access);  in led_classdev_unregister()
478 				   struct led_classdev *led_cdev,  in devm_led_classdev_register_ext()  argument
488 	rc = led_classdev_register_ext(parent, led_cdev, init_data);  in devm_led_classdev_register_ext()
494 	*dr = led_cdev;  in devm_led_classdev_register_ext()
517 				  struct led_classdev *led_cdev)  in devm_led_classdev_unregister()  argument
521 			       devm_led_classdev_match, led_cdev));  in devm_led_classdev_unregister()