Messages in this thread Patch in this message | | | From | Mauro Carvalho Chehab <> | Subject | [PATCH v8 7/7] media: open.rst: add a notice about subdev-API on vdev-centric | Date | Tue, 10 Oct 2017 08:45:23 -0300 |
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The documentation doesn't mention if vdev-centric hardware control would have subdev API or not.
Add a notice about that, reflecting the current status, where three drivers use it, in order to support some subdev-specific controls.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> --- Documentation/media/uapi/v4l/open.rst | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/Documentation/media/uapi/v4l/open.rst b/Documentation/media/uapi/v4l/open.rst index 58ab75959584..ccdf53ab347c 100644 --- a/Documentation/media/uapi/v4l/open.rst +++ b/Documentation/media/uapi/v4l/open.rst @@ -62,6 +62,13 @@ typically involves configuring the links using the **Media controller** interface and the media bus formats on pads (at both ends of the links) using the **V4L2 sub-device** interface. +.. note:: + + A **vdevnode-centric** may also optionally expose V4L2 sub-devices via + :ref:`sub-device API <subdev>`. In that case, it has to implement + the :ref:`media controller API <media_controller>` as well. + + .. attention:: Devices that require **MC-centric** media hardware control should -- 2.13.6
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