32 	struct led_classdev *led_cdev = dev_get_drvdata(dev);  in led_trigger_store()  local
36 	mutex_lock(&led_cdev->led_access);  in led_trigger_store()
38 	if (led_sysfs_is_disabled(led_cdev)) {  in led_trigger_store()
44 		led_trigger_remove(led_cdev);  in led_trigger_store()
51 			down_write(&led_cdev->trigger_lock);  in led_trigger_store()
52 			led_trigger_set(led_cdev, trig);  in led_trigger_store()
53 			up_write(&led_cdev->trigger_lock);  in led_trigger_store()
64 	mutex_unlock(&led_cdev->led_access);  in led_trigger_store()
72 	struct led_classdev *led_cdev = dev_get_drvdata(dev);  in led_trigger_show()  local
77 	down_read(&led_cdev->trigger_lock);  in led_trigger_show()
79 	if (!led_cdev->trigger)  in led_trigger_show()
85 		if (led_cdev->trigger && !strcmp(led_cdev->trigger->name,  in led_trigger_show()
93 	up_read(&led_cdev->trigger_lock);  in led_trigger_show()
102 int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)  in led_trigger_set()  argument
110 	if (!led_cdev->trigger && !trig)  in led_trigger_set()
117 	if (led_cdev->trigger) {  in led_trigger_set()
118 		write_lock_irqsave(&led_cdev->trigger->leddev_list_lock, flags);  in led_trigger_set()
119 		list_del(&led_cdev->trig_list);  in led_trigger_set()
120 		write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock,  in led_trigger_set()
122 		cancel_work_sync(&led_cdev->set_brightness_work);  in led_trigger_set()
123 		led_stop_software_blink(led_cdev);  in led_trigger_set()
124 		if (led_cdev->trigger->deactivate)  in led_trigger_set()
125 			led_cdev->trigger->deactivate(led_cdev);  in led_trigger_set()
126 		device_remove_groups(led_cdev->dev, led_cdev->trigger->groups);  in led_trigger_set()
127 		led_cdev->trigger = NULL;  in led_trigger_set()
128 		led_cdev->trigger_data = NULL;  in led_trigger_set()
129 		led_cdev->activated = false;  in led_trigger_set()
130 		led_set_brightness(led_cdev, LED_OFF);  in led_trigger_set()
134 		list_add_tail(&led_cdev->trig_list, &trig->led_cdevs);  in led_trigger_set()
136 		led_cdev->trigger = trig;  in led_trigger_set()
139 			ret = trig->activate(led_cdev);  in led_trigger_set()
146 		ret = device_add_groups(led_cdev->dev, trig->groups);  in led_trigger_set()
148 			dev_err(led_cdev->dev, "Failed to add trigger attributes\n");  in led_trigger_set()
156 		if (kobject_uevent_env(&led_cdev->dev->kobj, KOBJ_CHANGE, envp))  in led_trigger_set()
157 			dev_err(led_cdev->dev,  in led_trigger_set()
167 		trig->deactivate(led_cdev);  in led_trigger_set()
170 	write_lock_irqsave(&led_cdev->trigger->leddev_list_lock, flags);  in led_trigger_set()
171 	list_del(&led_cdev->trig_list);  in led_trigger_set()
172 	write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock, flags);  in led_trigger_set()
173 	led_cdev->trigger = NULL;  in led_trigger_set()
174 	led_cdev->trigger_data = NULL;  in led_trigger_set()
175 	led_set_brightness(led_cdev, LED_OFF);  in led_trigger_set()
182 void led_trigger_remove(struct led_classdev *led_cdev)  in led_trigger_remove()  argument
184 	down_write(&led_cdev->trigger_lock);  in led_trigger_remove()
185 	led_trigger_set(led_cdev, NULL);  in led_trigger_remove()
186 	up_write(&led_cdev->trigger_lock);  in led_trigger_remove()
190 void led_trigger_set_default(struct led_classdev *led_cdev)  in led_trigger_set_default()  argument
194 	if (!led_cdev->default_trigger)  in led_trigger_set_default()
198 	down_write(&led_cdev->trigger_lock);  in led_trigger_set_default()
200 		if (!strcmp(led_cdev->default_trigger, trig->name)) {  in led_trigger_set_default()
201 			led_cdev->flags |= LED_INIT_DEFAULT_TRIGGER;  in led_trigger_set_default()
202 			led_trigger_set(led_cdev, trig);  in led_trigger_set_default()
206 	up_write(&led_cdev->trigger_lock);  in led_trigger_set_default()
228 	struct led_classdev *led_cdev;  in led_trigger_register()  local
248 	list_for_each_entry(led_cdev, &leds_list, node) {  in led_trigger_register()
249 		down_write(&led_cdev->trigger_lock);  in led_trigger_register()
250 		if (!led_cdev->trigger && led_cdev->default_trigger &&  in led_trigger_register()
251 			    !strcmp(led_cdev->default_trigger, trig->name)) {  in led_trigger_register()
252 			led_cdev->flags |= LED_INIT_DEFAULT_TRIGGER;  in led_trigger_register()
253 			led_trigger_set(led_cdev, trig);  in led_trigger_register()
255 		up_write(&led_cdev->trigger_lock);  in led_trigger_register()
265 	struct led_classdev *led_cdev;  in led_trigger_unregister()  local
277 	list_for_each_entry(led_cdev, &leds_list, node) {  in led_trigger_unregister()
278 		down_write(&led_cdev->trigger_lock);  in led_trigger_unregister()
279 		if (led_cdev->trigger == trig)  in led_trigger_unregister()
280 			led_trigger_set(led_cdev, NULL);  in led_trigger_unregister()
281 		up_write(&led_cdev->trigger_lock);  in led_trigger_unregister()
320 	struct led_classdev *led_cdev;  in led_trigger_event()  local
326 	list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list)  in led_trigger_event()
327 		led_set_brightness(led_cdev, brightness);  in led_trigger_event()
338 	struct led_classdev *led_cdev;  in led_trigger_blink_setup()  local
344 	list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) {  in led_trigger_blink_setup()
346 			led_blink_set_oneshot(led_cdev, delay_on, delay_off,  in led_trigger_blink_setup()
349 			led_blink_set(led_cdev, delay_on, delay_off);  in led_trigger_blink_setup()