Merge branch 'master' into for-next

Sync up with Linus' tree to be able to apply Cesar's patch
against newer version of the code.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 16 insertions, 1 deletions

diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index 363975b3c92..262eb419371 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -102,6 +102,12 @@ EXPORT_SYMBOL_GPL(led_trigger_show);
 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) {
@@ -109,6 +115,8 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
 		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;
@@ -122,6 +130,13 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
 		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);
 
@@ -224,7 +239,7 @@ void led_trigger_event(struct led_trigger *trig,
 		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);
 }