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f66556c133
The atomisp driver emulates a standard v4l2 device, which also works for non media-controller aware applications. Part of this requires making try_fmt calls on the sensor when a normal v4l2 app is making try_fmt calls on the /dev/video# mode. With the recent v4l2_subdev_state handling changes in 6.8 this no longer works, fixing this requires 2 changes: 1. The atomisp code was using its own internal v4l2_subdev_pad_config for this. Replace the internal v4l2_subdev_pad_config with allocating a full v4l2_subdev_state for storing the full try_fmt state. 2. The paths actually setting the fmt or crop selection now need to be passed the v4l2_subdev's active state, so that sensor drivers which are using the v4l2_subdev's active state to store their state keep working. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> |
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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.