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The ISP output color space is configured through the ISP source pad. At the moment, only the quantization can be set. Extend it to the three other color space fields: - The ycbcr_enc field will be used to configure the RGB to YUV matrix (currently hardcoded to Rec. 601). - The colorspace (which controls the color primaries) and xfer_func fields will not be used to configure the ISP, as the corresponding hardware blocks (the cross-talk RGB to RGB matrix and the tone mapping curve) are programmed directly by applications through ISP parameters. Nonetheless, those two fields should be set by applications to match the ISP configuration, in order to propagate the correct color space down the pipeline up to the capture video nodes. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Dafna Hirschfeld <dafna@fastmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.