gamma control: WIP expose gamma parameters to sysfs interface

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: Javelin <javelinanddart@gmail.com>
gamma control: fix wip code derps :p

Signed-off-by: faux123 <reioux@gmail.com>
gamma control: add checksum to validate data integrity

Signed-off-by: faux123 <reioux@gmail.com>

Conflicts:
	drivers/video/msm/mipi_lgit.c
gamma control: fix typo derp :(

Signed-off-by: faux123 <reioux@gmail.com>
Update .config and defconfig

Signed-off-by: Javelin <javelinanddart@gmail.com>
Merge branch 'kitkat' of github.com:javelinanddart/android_kernel_aosp_ville into kitkat

Signed-off-by: Javelin <javelinanddart@gmail.com>

Conflicts:
	drivers/video/msm/mipi_lgit.c