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media: docs: v4l2-controls: document file to include

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The tutorial in this section is almost complete, add the one missing bit.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Luca Ceresoli 2019-06-13 10:18:25 -04:00 committed by Mauro Carvalho Chehab
parent 270c0024a3
commit 025b941132
1 changed files with 4 additions and 0 deletions
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Documentation/media/kapi/v4l2-controls.rst
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@ -50,6 +50,10 @@ Basic usage for V4L2 and sub-device drivers
1) Prepare the driver:
.. code-block:: c
#include <media/v4l2-ctrls.h>
1.1) Add the handler to your driver's top-level struct:
For V4L2 drivers: