backport from master branch
restore comments from master branch
Merge commit '1584bfb81d8ad5e19e1ae6fb0ca70b73ca0c8f2f' into jelly_3.4

Conflicts:
	arch/arm/mach-msm/display/board-cp3dcg-panel.c
	arch/arm/mach-msm/display/board-protou-panel.c