msm: camera2: Enhance cpp driver.

This change adds necessary state and IOCTL interface for correct
sequence of firmware loading. This also helps to avoid redundant firmware
loading.

Change-Id: I1aff000b36bfe0fbe2fabb01b9a23e1f86bf1a88
Signed-off-by: Rajakumar Govindaram <rajakuma@codeaurora.org>
3 files changed