media: v4l2-ctrls: add support for dynamically allocated arrays.

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Implement support for dynamically allocated arrays.

Most of the changes concern keeping track of the number of elements
of the array and the number of elements allocated for the array and
reallocating memory if needed.

Acked-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

...

This commit is contained in:

Hans Verkuil 2022-07-08 17:21:41 +01:00 • committed by Mauro Carvalho Chehab

parent 64fe675e99

commit fb582cba44

5 changed files with 272 additions and 71 deletions

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103

drivers/media/v4l2-core/v4l2-ctrls-api.c

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182

drivers/media/v4l2-core/v4l2-ctrls-core.c

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3

drivers/media/v4l2-core/v4l2-ctrls-priv.h

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13

drivers/media/v4l2-core/v4l2-ctrls-request.c

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42

include/media/v4l2-ctrls.h

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