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importd: create a loopback btrfs file system for /var/lib/machines, if necessary
[elogind.git]
/
src
/
backlight
/
backlight.c
diff --git
a/src/backlight/backlight.c
b/src/backlight/backlight.c
index 1271a66983392c8dc1a692eb0b6f83f4f47c46f9..c79ad6520c9f8668f0992c51d7506790f23e8726 100644
(file)
--- 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;
if (streq(argv[1], "load")) {
_cleanup_free_ char *value = NULL;
+ const char *clamp;
if (!shall_restore_state())
return EXIT_SUCCESS;
if (!shall_restore_state())
return EXIT_SUCCESS;
@@
-390,7
+391,9
@@
int main(int argc, char *argv[]) {
return EXIT_FAILURE;
}
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) {
r = udev_device_set_sysattr_value(device, "brightness", value);
if (r < 0) {