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The user-supplied norm value gets overwritten by the generic .norm member from the norm_params. That way, we lose the specific norm the user may want to set. For instance, if the user specifies V4L2_STD_PAL_60, the value actually used will be V4L2_STD_525_60, which in the end will be as if the user had specified V4L2_STD_NTSC, since this is always the first bitfield we match the norm value against before configuring the hardware. The norm_params array is only there to match a norm with an output resolution. The norm value itself should not be changed. Signed-off-by: Hugo Grostabussiat <bonstra@bonstra.fr.eu.org> Signed-off-by: Hans Verkuil <hansverk@cisco.com> 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.