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Dafna Hirschfeld
8524fa22fd
The signal RKISP1_CIF_ISP_FRAME is set when the ISP completes outputting the frame to the next block in the pipeline. In order to keep buffer synchronization we assume that the RKISP1_CIF_ISP_V_START signal never arrives together with the RKISP1_CIF_ISP_FRAME signal. In case those signals arrive together then the code is not able to tell if the RKISP1_CIF_ISP_FRAME signal relates to the frame of the current v-start or the previous. This patch adds a WARN_ONCE and a debugfs var to catch it. Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> 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.