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98ad032915
Compressed formats generate content depending amount of data that is set in the vb2 buffer by the payload_size. When streaming those formats it is better to scatter that smaller data over all requests. This patch is doing that by introducing the calculated req_payload_size which is updated by each frame. It the uses this amount of data to fill the isoc requests instead of the video->req_size. For uncompressed formats it will not make a difference since the payload size will be equal to the imagesize. Therefore the code will have no effecta as req_payload_size will be equal to req_size. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Link: https://lore.kernel.org/r/20240403-uvc_request_length_by_interval-v7-6-e224bb1035f0@pengutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 reStructuredText 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.