diff options
Diffstat (limited to 'src/backlight')
| -rw-r--r-- | src/backlight/backlight.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backlight/backlight.c b/src/backlight/backlight.c index 1271a66983..c79ad6520c 100644 --- a/src/backlight/backlight.c +++ b/src/backlight/backlight.c @@ -373,6 +373,7 @@ int main(int argc, char *argv[]) { if (streq(argv[1], "load")) { _cleanup_free_ char *value = NULL; + const char *clamp; if (!shall_restore_state()) return EXIT_SUCCESS; @@ -390,7 +391,9 @@ int main(int argc, char *argv[]) { return EXIT_FAILURE; } - clamp_brightness(device, &value, max_brightness); + clamp = udev_device_get_property_value(device, "ID_BACKLIGHT_CLAMP"); + if (!clamp || parse_boolean(clamp) != 0) /* default to clamping */ + clamp_brightness(device, &value, max_brightness); r = udev_device_set_sysattr_value(device, "brightness", value); if (r < 0) { |