tree d032fc006eadfa7bbc763830e30dff6a3ab8092c
parent be62018ac1c3364e8967f42b0c1715f9ba7f8f5e
author Peter Liu <pingchie@codeaurora.org> 1347563953 -0700
committer Peter Liu <pingchie@codeaurora.org> 1350942584 -0700

msm: camera: add BE stats support for vfe40

1.Configure VFE Bayer Exposure(BE) stats registers to collect BE
  stats for 3A to decide total gain to apply on camera.
2.Add buffer support to collect Bayer Exposure stats for 3A to use.
3.Allocate and release buffer properly for BE stats.

Change-Id: Ib857173aa195b9ff1d8b44cf7ba5f9a4a0d30621
Signed-off-by: Peter Liu <pingchie@codeaurora.org>