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media: Documentation: Additional streams generally don't harm capture

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Having extra streams on the source end of the link that cannot be captured
by the sink sub-device generally are not an issue, at least not on CSI-2
bus. Still document that there may be hardware-specific limitations. For
example on parallel bus this might not work on all cases.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Sakari Ailus 2023-09-21 14:51:30 +03:00 committed by Hans Verkuil
parent 21828609f0
commit 744910906d
1 changed files with 3 additions and 3 deletions
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6
Documentation/userspace-api/media/v4l/dev-subdev.rst
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@ -529,9 +529,9 @@ the its sink pad and allows to route them individually to one of its source
pads.
Subdevice drivers that support multiplexed streams are compatible with
non-multiplexed subdev drivers, but, of course, require a routing configuration
where the link between those two types of drivers contains only a single
stream.
non-multiplexed subdev drivers. However, if the driver at the sink end of a link
does not support streams, then only stream 0 of source end may be captured.
There may be additional limitations specific to the sink device.
Understanding streams
^^^^^^^^^^^^^^^^^^^^^