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media: media-ioc-g-topology.rst: document new 'index' field

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Document the new struct media_v2_pad 'index' field.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Hans Verkuil 2018-03-19 11:11:10 -04:00 committed by Mauro Carvalho Chehab
parent 30b914c8d8
commit b054900626
1 changed files with 9 additions and 2 deletions
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11
Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
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@ -176,7 +176,7 @@ desired arrays with the media graph elements.
* - struct media_v2_intf_devnode
- ``devnode``
- Used only for device node interfaces. See
:c:type:`media_v2_intf_devnode` for details..
:c:type:`media_v2_intf_devnode` for details.
.. tabularcolumns:: |p{1.6cm}|p{3.2cm}|p{12.7cm}|
@ -218,7 +218,14 @@ desired arrays with the media graph elements.
- Pad flags, see :ref:`media-pad-flag` for more details.
* - __u32
- ``reserved``\ [5]
- ``index``
- Pad index, starts at 0. Only valid if ``MEDIA_V2_PAD_HAS_INDEX(media_version)``
returns true. The ``media_version`` is defined in struct
:c:type:`media_device_info` and can be retrieved using
:ref:`MEDIA_IOC_DEVICE_INFO`.
* - __u32
- ``reserved``\ [4]
- Reserved for future extensions. Drivers and applications must set
this array to zero.