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Due to how pixel components are transmitted on the CSI-2 serial bus and how they are deserialized by the CSI-2 receiver, the component ordering might change and the image formats on the sink and source pads of the receiver should reflect it. For RGB24, in example, the component ordering on the wire as described by the CSI-2 specification matches the BGR888 format, while once deserialized by the CSIS receiver it matches the RGB888 format. Add an additional .output field to struct csis_pix_format to allow propagating the correct format to the source pad after a format configuration on the sink. The change is only relevant for RGB24 but paves the way for further format translations in future. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Rui Miguel Silva <rmfrfs@gmail.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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.