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-rw-r--r--Documentation/media/uapi/mediactl/media-ioc-g-topology.rst11
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
index a3f259f83b25..725961198143 100644
--- a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
+++ b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
@@ -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.