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