backlight: use current brightness if no saved value to trigger clamping (#8526)
authorSebastian Reichel <sre@ring0.de>
Wed, 28 Mar 2018 11:32:27 +0000 (13:32 +0200)
committerLennart Poettering <lennart@poettering.net>
Wed, 28 Mar 2018 11:32:27 +0000 (13:32 +0200)
commit4432b941358b59c0141ed317e2485f4f957fc035
tree17075102832f07d0c435c98a6f233d357ab36ada
parentce9aa31496480f1c0d3ef5b2ff676b563807ae52
backlight: use current brightness if no saved value to trigger clamping (#8526)

This reads current brightness value in case it has not yet been
saved. This results in the brightness properly being clamped.
src/backlight/backlight.c