From: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Date: Tue, 23 Dec 2014 18:59:23 +0000 (-0800)
Subject: leds: Don't allow brightness values greater than max_brightness
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=56d06fdee534124f79b51ff92232373b783cddc2;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

leds: Don't allow brightness values greater than max_brightness

Since commit 4d71a4a12b13 ("leds: Add support for setting brightness in
a synchronous way") the value passed to brightness_set() is no longer
limited to max_brightness and can be different from the internally saved
brightness value.

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
---

diff --git a/drivers/leds/leds.h b/drivers/leds/leds.h
index 2348dbda5269..79efe57c7405 100644
--- a/drivers/leds/leds.h
+++ b/drivers/leds/leds.h
@@ -20,7 +20,8 @@
 static inline void led_set_brightness_async(struct led_classdev *led_cdev,
 					enum led_brightness value)
 {
-	led_cdev->brightness = min(value, led_cdev->max_brightness);
+	value = min(value, led_cdev->max_brightness);
+	led_cdev->brightness = value;
 
 	if (!(led_cdev->flags & LED_SUSPENDED))
 		led_cdev->brightness_set(led_cdev, value);