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)
165 if (!led_cdev->trigger && !trig)
168 name = trig ? trig->name : "none";
191 if (trig) {
192 spin_lock(&trig->leddev_list_lock);
193 list_add_tail_rcu(&led_cdev->trig_list, &trig->led_cdevs);
194 spin_unlock(&trig->leddev_list_lock);
195 led_cdev->trigger = trig;
197 if (trig->activate)
198 ret = trig->activate(led_cdev);
205 ret = device_add_groups(led_cdev->dev, trig->groups);
225 if (trig->deactivate)
226 trig->deactivate(led_cdev);
252 struct led_trigger *trig;
259 list_for_each_entry(trig, &trigger_list, next_trig) {
260 if (!strcmp(led_cdev->default_trigger, trig->name) &&
261 trigger_relevant(led_cdev, trig)) {
263 led_trigger_set(led_cdev, trig);
272 void led_trigger_rename_static(const char *name, struct led_trigger *trig)
275 BUG_ON(name == trig->name);
278 /* this assumes that trig->name was originaly allocated to
280 strcpy((char *)trig->name, name);
287 int led_trigger_register(struct led_trigger *trig)
292 spin_lock_init(&trig->leddev_list_lock);
293 INIT_LIST_HEAD(&trig->led_cdevs);
298 if (!strcmp(_trig->name, trig->name) &&
299 (trig->trigger_type == _trig->trigger_type ||
300 !trig->trigger_type || !_trig->trigger_type)) {
306 list_add_tail(&trig->next_trig, &trigger_list);
314 !strcmp(led_cdev->default_trigger, trig->name) &&
315 trigger_relevant(led_cdev, trig)) {
317 led_trigger_set(led_cdev, trig);
327 void led_trigger_unregister(struct led_trigger *trig)
331 if (list_empty_careful(&trig->next_trig))
336 list_del_init(&trig->next_trig);
343 if (led_cdev->trigger == trig)
357 struct led_trigger *trig)
367 *dr = trig;
369 rc = led_trigger_register(trig);
381 void led_trigger_event(struct led_trigger *trig,
386 if (!trig)
390 list_for_each_entry_rcu(led_cdev, &trig->led_cdevs, trig_list)
396 static void led_trigger_blink_setup(struct led_trigger *trig,
404 if (!trig)
408 list_for_each_entry_rcu(led_cdev, &trig->led_cdevs, trig_list) {
418 void led_trigger_blink(struct led_trigger *trig,
422 led_trigger_blink_setup(trig, delay_on, delay_off, 0, 0);
426 void led_trigger_blink_oneshot(struct led_trigger *trig,
431 led_trigger_blink_setup(trig, delay_on, delay_off, 1, invert);
437 struct led_trigger *trig;
440 trig = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
442 if (trig) {
443 trig->name = name;
444 err = led_trigger_register(trig);
446 kfree(trig);
447 trig = NULL;
455 *tp = trig;
459 void led_trigger_unregister_simple(struct led_trigger *trig)
461 if (trig)
462 led_trigger_unregister(trig);
463 kfree(trig);