K 10
svn:author
V 4
manu
K 8
svn:date
V 27
2020-10-02T18:26:41.157098Z
K 7
svn:log
V 305
linuxkpi: Add backlight support

Add backlight function to linuxkpi.
Graphics drivers expose the backlight of the panel directly so allow them to use the backlight subsystem so
user can use backlight(8) to configure them.

Reviewed by:	hselasky
Relnotes:	yes
Differential Revision:	The FreeBSD Foundation

END