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eb1d969203
vivid_update_format_cap() can be called from an s_ctrl callback.
In that case (keep_controls == true) no control framework functions
can be called that take the control handler mutex.
The new call to v4l2_ctrl_modify_dimensions() did exactly that.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 6bc7643d1b (media: vivid: add pixel_array test control)
Signed-off-by: Mauro Carvalho Chehab <mchehab@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.