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e7531d5625
The description of the V4L2_COLORSPACE_470_SYSTEM_BG stated that it was superseded by SMPTE 170M. That is incorrect. The probably root cause of this is that the HDMI standard does not support this colorspace and, unless otherwise signaled, will fall back to SMPTE 170M for SDTV. However, EBU Tech. 3321 states that sources should signal Rec. 709 as the colorimetry when using HDMI since the difference between Rec. 709 and Tech. 3213 are negligible. Update the text accordingly. Also drop a spurious " at the end of the Tech 3213 title in the bibliography. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@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.