Android O MR1 IOT Release 1.0.13 (5612681)
Recover the 256 brightness levels

This merge back below commit
commit ed7d912e1ddfb59c3f0469fdbd3c3d2942b1fc76
Author: Frédéric Rechtenstein <frec@google.com>
Date:   Tue Feb 6 00:15:52 2018 +0900

    define 256 levels of backlight brightness for imx7d-pico

Change-Id: I4fde55bc6010021e3a9708eb54d5d17d0618037c
Signed-off-by: fang hui <hui.fang@nxp.com>
1 file changed