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336e009145
Since the unicam driver was modified to write to a dummy buffer when no user-supplied buffer is available, it can now write to and return a buffer even when there's only a single one. Enable this by changing the min_buffers_needed in the vb2_queue; it will be useful for enabling still captures without allocating more memory than absolutely necessary. Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
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.