freebsd-dev/sys/dev/backlight
Emmanuel Vadot e26ef41f79 backlight: Update cached value when getting the brightness
External events can cause the backlight level to change (AC adapter
plug/unplug for example) so cache the value there too.

PR:		257796
Sponsored by:	Beckhoff Automation GmbH & Co. KG
MFC after:	1 week
2022-05-25 16:50:25 +02:00
..
backlight_if.m
backlight.c
backlight.h