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[RFC Patch] omap3isp : support CFA pattern when not GRBG


omap3 ISP previewer block can convert a raw bayer image
into a UYVY image. Debayering coefficient are stored in
an undocumented table. In the current form, only
GRBG format are converted correctly.

However, the other CFA arrangement can be transformed
in GRBG arrangement by shifting the image window one pixel
to the left or to the bottom.

Here is a patch against vanilla 3.2.17.
If such a patch can find it's way into mainline, I will
try to port it against a suitable git tree.

This was only tested with a BGGR arrangement.

Thank you,

Jean-Philippe François

Attachment: isppreview_bayer.patch
Description: Binary data

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