31 trigger_relevant(struct led_classdev *led_cdev, struct led_trigger *trig)  in trigger_relevant()  argument
33 	return !trig->trigger_type || trig->trigger_type == led_cdev->trigger_type;  in trigger_relevant()
42 	struct led_trigger *trig;  in led_trigger_write()  local
58 	list_for_each_entry(trig, &trigger_list, next_trig) {  in led_trigger_write()
59 		if (sysfs_streq(buf, trig->name) && trigger_relevant(led_cdev, trig)) {  in led_trigger_write()
61 			led_trigger_set(led_cdev, trig);  in led_trigger_write()
97 	struct led_trigger *trig;  in led_trigger_format()  local
101 	list_for_each_entry(trig, &trigger_list, next_trig) {  in led_trigger_format()
104 		if (!trigger_relevant(led_cdev, trig))  in led_trigger_format()
107 		hit = led_cdev->trigger && !strcmp(led_cdev->trigger->name, trig->name);  in led_trigger_format()
111 					    trig->name, hit ? "]" : "");  in led_trigger_format()
158 int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)  in led_trigger_set()  argument
166 	if (!led_cdev->trigger && !trig)  in led_trigger_set()
169 	name = trig ? trig->name : "none";  in led_trigger_set()
188 	if (trig) {  in led_trigger_set()
189 		write_lock_irqsave(&trig->leddev_list_lock, flags);  in led_trigger_set()
190 		list_add_tail(&led_cdev->trig_list, &trig->led_cdevs);  in led_trigger_set()
191 		write_unlock_irqrestore(&trig->leddev_list_lock, flags);  in led_trigger_set()
192 		led_cdev->trigger = trig;  in led_trigger_set()
194 		if (trig->activate)  in led_trigger_set()
195 			ret = trig->activate(led_cdev);  in led_trigger_set()
202 		ret = device_add_groups(led_cdev->dev, trig->groups);  in led_trigger_set()
222 	if (trig->deactivate)  in led_trigger_set()
223 		trig->deactivate(led_cdev);  in led_trigger_set()
248 	struct led_trigger *trig;  in led_trigger_set_default()  local
255 	list_for_each_entry(trig, &trigger_list, next_trig) {  in led_trigger_set_default()
256 		if (!strcmp(led_cdev->default_trigger, trig->name) &&  in led_trigger_set_default()
257 		    trigger_relevant(led_cdev, trig)) {  in led_trigger_set_default()
259 			led_trigger_set(led_cdev, trig);  in led_trigger_set_default()
268 void led_trigger_rename_static(const char *name, struct led_trigger *trig)  in led_trigger_rename_static()  argument
271 	BUG_ON(name == trig->name);  in led_trigger_rename_static()
276 	strcpy((char *)trig->name, name);  in led_trigger_rename_static()
283 int led_trigger_register(struct led_trigger *trig)  in led_trigger_register()  argument
288 	rwlock_init(&trig->leddev_list_lock);  in led_trigger_register()
289 	INIT_LIST_HEAD(&trig->led_cdevs);  in led_trigger_register()
294 		if (!strcmp(_trig->name, trig->name) &&  in led_trigger_register()
295 		    (trig->trigger_type == _trig->trigger_type ||  in led_trigger_register()
296 		     !trig->trigger_type || !_trig->trigger_type)) {  in led_trigger_register()
302 	list_add_tail(&trig->next_trig, &trigger_list);  in led_trigger_register()
310 		    !strcmp(led_cdev->default_trigger, trig->name) &&  in led_trigger_register()
311 		    trigger_relevant(led_cdev, trig)) {  in led_trigger_register()
313 			led_trigger_set(led_cdev, trig);  in led_trigger_register()
323 void led_trigger_unregister(struct led_trigger *trig)  in led_trigger_unregister()  argument
327 	if (list_empty_careful(&trig->next_trig))  in led_trigger_unregister()
332 	list_del_init(&trig->next_trig);  in led_trigger_unregister()
339 		if (led_cdev->trigger == trig)  in led_trigger_unregister()
353 			      struct led_trigger *trig)  in devm_led_trigger_register()  argument
363 	*dr = trig;  in devm_led_trigger_register()
365 	rc = led_trigger_register(trig);  in devm_led_trigger_register()
377 void led_trigger_event(struct led_trigger *trig,  in led_trigger_event()  argument
383 	if (!trig)  in led_trigger_event()
386 	read_lock_irqsave(&trig->leddev_list_lock, flags);  in led_trigger_event()
387 	list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list)  in led_trigger_event()
389 	read_unlock_irqrestore(&trig->leddev_list_lock, flags);  in led_trigger_event()
393 static void led_trigger_blink_setup(struct led_trigger *trig,  in led_trigger_blink_setup()  argument
402 	if (!trig)  in led_trigger_blink_setup()
405 	read_lock_irqsave(&trig->leddev_list_lock, flags);  in led_trigger_blink_setup()
406 	list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) {  in led_trigger_blink_setup()
413 	read_unlock_irqrestore(&trig->leddev_list_lock, flags);  in led_trigger_blink_setup()
416 void led_trigger_blink(struct led_trigger *trig,  in led_trigger_blink()  argument
420 	led_trigger_blink_setup(trig, delay_on, delay_off, 0, 0);  in led_trigger_blink()
424 void led_trigger_blink_oneshot(struct led_trigger *trig,  in led_trigger_blink_oneshot()  argument
429 	led_trigger_blink_setup(trig, delay_on, delay_off, 1, invert);  in led_trigger_blink_oneshot()
435 	struct led_trigger *trig;  in led_trigger_register_simple()  local
438 	trig = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);  in led_trigger_register_simple()
440 	if (trig) {  in led_trigger_register_simple()
441 		trig->name = name;  in led_trigger_register_simple()
442 		err = led_trigger_register(trig);  in led_trigger_register_simple()
444 			kfree(trig);  in led_trigger_register_simple()
445 			trig = NULL;  in led_trigger_register_simple()
453 	*tp = trig;  in led_trigger_register_simple()
457 void led_trigger_unregister_simple(struct led_trigger *trig)  in led_trigger_unregister_simple()  argument
459 	if (trig)  in led_trigger_unregister_simple()
460 		led_trigger_unregister(trig);  in led_trigger_unregister_simple()
461 	kfree(trig);  in led_trigger_unregister_simple()