From 22efa2e170b939907271dba099139ee9ab07e2c4 Mon Sep 17 00:00:00 2001
From: Colin Cross <ccross@android.com>
Date: Mon, 27 Aug 2012 09:31:49 +0800
Subject: [PATCH] --- yaml --- r: 333073 b: refs/heads/master c:
 52c47742f79d9240f90af9a6722fe8bb3fa8c0f9 h: refs/heads/master i:   333071:
 8de708cb9c31f3830ec0d851c330751f63757795 v: v3

---
 [refs]                            |  2 +-
 trunk/drivers/leds/led-triggers.c | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index cad96e992f46..d51365722c97 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 469eba023087d8fa3974827e6bedf874a620d0e7
+refs/heads/master: 52c47742f79d9240f90af9a6722fe8bb3fa8c0f9
diff --git a/trunk/drivers/leds/led-triggers.c b/trunk/drivers/leds/led-triggers.c
index b53bf54023f6..262eb4193710 100644
--- a/trunk/drivers/leds/led-triggers.c
+++ b/trunk/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) {
@@ -124,6 +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);