drm/panel: simple: Update backlight state property

Some backlight drivers ignore the power property and instead only use
the state property. Fixup the panel driver to set the state property in
addition to the power property.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2016-06-17 19:11:53 +02:00
commit e4aa34289e