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| author | Gabriele Mazzotta <gabriele.mzt@gmail.com> | 2014-12-23 21:59:23 +0300 |
|---|---|---|
| committer | Bryan Wu <cooloney@gmail.com> | 2015-01-14 21:40:19 +0300 |
| commit | 56d06fdee534124f79b51ff92232373b783cddc2 (patch) | |
| tree | 126c70b1e945ab98c4458182652a556cdf094ef9 /drivers/leds | |
| parent | 13b695f3c41bc691028f255eae2f8e1938377565 (diff) | |
| download | linux-56d06fdee534124f79b51ff92232373b783cddc2.tar.xz | |
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>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds.h | 3 |
1 files changed, 2 insertions, 1 deletions
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); |