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| author | Topi Miettinen <toiwoton@gmail.com> | 2015-02-01 07:49:02 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2015-02-02 17:18:40 +0100 |
| commit | bca81be7755d15e7369d764bfa94a7ca6c595c76 (patch) | |
| tree | 23fe22a95eb2fae1cbf8f4218e489a0a6c36f475 /src/backlight | |
| parent | cryptsetup: only warn on real key files (diff) | |
| download | systemd-bca81be7755d15e7369d764bfa94a7ca6c595c76.tar.xz systemd-bca81be7755d15e7369d764bfa94a7ca6c595c76.zip | |
backlight: let udev properties override clamping
On my computer, the minimum brightness enforced by clamping in
backlight is too bright.
Let udev property ID_BACKLIGHT_CLAMP control whether the brightness
is clamped or not.
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) { |