media: v4l2-async: Create links during v4l2_async_match_notify()

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Upon an async fwnode match, there's some typical behaviour that the
notifier and matching subdev will want to do. For example, a notifier
representing a sensor matching to an async subdev representing its
VCM will want to create an ancillary link to expose that relationship
to userspace.

To avoid lots of code in individual drivers, try to build these links
within v4l2 core.

Signed-off-by: Daniel Scally <djrscally@gmail.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

...

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Daniel Scally 2022-03-02 22:03:04 +00:00 • committed by Mauro Carvalho Chehab

parent 012c87f769

commit aa4faf6eb2

1 changed files with 31 additions and 0 deletions

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

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