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Sakari Ailus f98691668e media: v4l2-subdev: Print early in v4l2_subdev_{enable,disable}_streams()
Print debug messages early in v4l2_subdev_enable_streams() and
v4l2_subdev_disable_streams(), before sanity checks take place. This can
help figuring out why something goes wrong, in driver development or
otherwise.

Also print the name of the sub-device where streaming is to be enabled or
disabled.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
History 2025-07-10 11:32:23 +02:00
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README

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 reStructuredText 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.