Sylwester Nawrocki d3775fa76b
[media] exynos4-is: Extend link_notify handler to support fimc-is/lite pipelines ...
This patch corrects the link_notify handler to support more complex
pipelines, including fimc-lite and fimc-is entities.
After the FIMC-IS driver addition the assumptions made in the link_notify
callback are no longer valid, e.g. the link between fimc-lite subdev and
its video node is not immutable any more and there is more subdevs than
just sensor, MIPI-CSIS and FIMC(-LITE).
The graph is now walked and for each video node found a media pipeline
which ends at this node is disabled/enabled (the subdevs are powered
on/off).
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com >
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com >
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com >
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