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leds: Don't allow brightness values greater than max_brightness

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Since commit 4d71a4a12b ("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>
This commit is contained in:
Gabriele Mazzotta 2014-12-23 10:59:23 -08:00 committed by Bryan Wu
parent 13b695f3c4
commit 56d06fdee5
1 changed files with 2 additions and 1 deletions
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3
drivers/leds/leds.h
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@ -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);