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88f4f81e8c
The atomisp currenyl registers 5 pairs of devices each one for one different run_mode, plus one for "ACC". The only one that behaves like a normal V4L2 device is the preview one. The others are doing weird things, and perhaps are using some proprietary extensions to the API. Change the device order to start with the preview one, e. g: /dev/video0: ATOMISP ISP PREVIEW output /dev/video1: ATOMISP ISP CAPTURE output /dev/video2: ATOMISP ISP VIEWFINDER output /dev/video3: ATOMISP ISP VIDEO output /dev/video4: ATOMISP ACC This way, a normal V4L2 application will get the right device, as the first one will be the one they should use. 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.