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823a633eeb
Rephrased the FIELD_ANY description: rather than explicitly list field values, just say 'when any field format is acceptable'. The list of FIELD values was outdated, so it was a bit confusing. The FIELD_NONE description said that 'The driver may also indicate this order when it cannot distinguish between V4L2_FIELD_TOP and V4L2_FIELD_BOTTOM'. This is false, NONE really means a full frame and userspace depends on that. So drop this line completely. There are no drivers that do this anyway. FIELD_TOP/BOTTOM/ALTERNATE indicate that the number of lines in the buffer are that of a field, not frame, so returning NONE here would cause huge problems. Finally attempt to clarify 'progressive' and 'interlaced' a little bit. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@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.