void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
{
unsigned long flags;
+ char *event = NULL;
+ char *envp[2];
+ const char *name;
+
+ name = trig ? trig->name : "none";
+ event = kasprintf(GFP_KERNEL, "TRIGGER=%s", name);
/* Remove any existing trigger */
if (led_cdev->trigger) {
list_del(&led_cdev->trig_list);
write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock,
flags);
+ cancel_work_sync(&led_cdev->set_brightness_work);
+ led_stop_software_blink(led_cdev);
if (led_cdev->trigger->deactivate)
led_cdev->trigger->deactivate(led_cdev);
led_cdev->trigger = NULL;
if (trig->activate)
trig->activate(led_cdev);
}
+
+ if (event) {
+ envp[0] = event;
+ envp[1] = NULL;
+ kobject_uevent_env(&led_cdev->dev->kobj, KOBJ_CHANGE, envp);
+ kfree(event);
+ }
}
EXPORT_SYMBOL_GPL(led_trigger_set);
struct led_classdev *led_cdev;
led_cdev = list_entry(entry, struct led_classdev, trig_list);
- __led_set_brightness(led_cdev, brightness);
+ led_set_brightness(led_cdev, brightness);
}
read_unlock(&trig->leddev_list_lock);
}