diff options
| -rw-r--r-- | src/backlight/backlight.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c index c708391612..691472cc3a 100644 --- a/src/backlight/backlight.c +++ b/src/backlight/backlight.c @@ -229,7 +229,7 @@ static unsigned get_max_brightness(struct udev_device *device) { * would otherwise force the user to disable state restoration. */ static void clamp_brightness(struct udev_device *device, char **value, unsigned max_brightness) { int r; - unsigned brightness, new_brightness; + unsigned brightness, new_brightness, min_brightness; r = safe_atou(*value, &brightness); if (r < 0) { @@ -237,7 +237,8 @@ static void clamp_brightness(struct udev_device *device, char **value, unsigned return; } - new_brightness = MAX3(brightness, 1U, max_brightness/20); + min_brightness = MAX(1U, max_brightness/20); + new_brightness = CLAMP(brightness, min_brightness, max_brightness); if (new_brightness != brightness) { char *old_value = *value; @@ -247,7 +248,11 @@ static void clamp_brightness(struct udev_device *device, char **value, unsigned return; } - log_debug("Saved brightness %s too low; increasing to %s.", old_value, *value); + log_info("Saved brightness %s %s to %s.", old_value, + new_brightness > brightness ? + "too low; increasing" : "too high; decreasing", + *value); + free(old_value); } } |