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authorLennart Poettering <lennart@poettering.net>2013-08-14 01:57:02 +0200
committerLennart Poettering <lennart@poettering.net>2013-08-14 01:57:02 +0200
commit3731acf1acfb4a6eb68374a5b137f3b368f63381 (patch)
treea6b378b127df46126ee8e334fc895bff10451b82 /units/systemd-backlight@.service.in
parent405e0255d5e6950180d9563f1a26294b5360db03 (diff)
backlight: add minimal tool to save/restore screen brightness across reboots
As many laptops don't save/restore screen brightness across reboots, let's do this in systemd with a minimal tool, that restores the brightness as early as possible, and saves it as late as possible. This will cover consoles and graphical logins, but graphical desktops should do their own per-user stuff probably. This only touches firmware brightness controls for now.
Diffstat (limited to 'units/systemd-backlight@.service.in')
-rw-r--r--units/systemd-backlight@.service.in21
1 files changed, 21 insertions, 0 deletions
diff --git a/units/systemd-backlight@.service.in b/units/systemd-backlight@.service.in
new file mode 100644
index 0000000000..14b12198e8
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+++ b/units/systemd-backlight@.service.in
@@ -0,0 +1,21 @@
+# This file is part of systemd.
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+
+[Unit]
+Description=Load/Save Screen Backlight Brightness of %f
+Documentation=man:systemd-backlight@.service(8)
+DefaultDependencies=no
+RequiresMountsFor=/var/lib/backlight
+Conflicts=shutdown.target
+After=systemd-readahead-collect.service systemd-readahead-replay.service systemd-remount-fs.service
+Before=sysinit.target shutdown.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=@rootlibexecdir@/systemd-backlight load %f
+ExecStop=@rootlibexecdir@/systemd-backlight save %f