msm: camera: Add user definied LED brightness

In current implementation the led brightness value
is defined in dts files and can't be changed runtime.

This fix add interface to provide new brightness.

Change-Id: I647cab7f97b6049cfed4dde9ad4966cb9b7e8c80
Signed-off-by: Ivan Tiyanov <ivant@codeaurora.org>
3 files changed