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Groups > linux.kernel > #1720652
| From | Mauro Carvalho Chehab <mchehab@s-opensource.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 7/7] media: open.rst: add a notice about subdev-API on vdev-centric |
| Date | 2017-08-26 14:00 +0200 |
| Message-ID | <uiHUS-Iu-25@gated-at.bofh.it> (permalink) |
| References | <uiHUR-Iu-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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>
---
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 d0930fc170f0..48f628bbabc7 100644
--- a/Documentation/media/uapi/v4l/open.rst
+++ b/Documentation/media/uapi/v4l/open.rst
@@ -46,6 +46,13 @@ the periferal can be used. For such devices, the sub-devices' configuration
can be controlled via the :ref:`sub-device API <subdev>`, which creates one
device node per sub-device.
+.. note::
+
+ A **vdev-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** hardware peripheral control should
--
2.13.3
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[PATCH v4 7/7] media: open.rst: add a notice about subdev-API on vdev-centric Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2017-08-26 14:00 +0200
Re: [PATCH v4 7/7] media: open.rst: add a notice about subdev-API on vdev-centric Hans Verkuil <hverkuil@xs4all.nl> - 2017-08-28 12:10 +0200
Re: [PATCH v4 7/7] media: open.rst: add a notice about subdev-API on vdev-centric Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2017-08-28 12:40 +0200
Re: [PATCH v4 7/7] media: open.rst: add a notice about subdev-API on vdev-centric Hans Verkuil <hverkuil@xs4all.nl> - 2017-08-28 13:00 +0200
RE: [PATCH v4 7/7] media: open.rst: add a notice about subdev-API on vdev-centric Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> - 2017-08-29 10:40 +0200
Re: [PATCH v4 7/7] media: open.rst: add a notice about subdev-API on vdev-centric Hans Verkuil <hverkuil@xs4all.nl> - 2017-08-29 10:50 +0200
Re: [PATCH v4 7/7] media: open.rst: add a notice about subdev-API on vdev-centric Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2017-08-29 11:20 +0200
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