To preview with V4L2 overlay and capture at the same time may fail.
This patch implements workaround for this issue by enabling CSI after
PRP channels are setup.
Signed-off-by: Liu Ying <b17645@freescale.com>
blank/unblank fb during v4l2 playback, unblank will cause current buffer
of display channel to be 1. This patch make the sequence of select
display buffer correct.
Signed-off-by: Jason Chen <b02280@freescale.com>
Support DP gamma by setting piecewise linear approximation,
application need set coefficient const[k] and slope[k]. The algorithm to
calculate these coefficient pls refer to unit test.
Signed-off-by: Jason Chen <b02280@freescale.com>