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media: document the reservedX fields in media_v2_topology 

The MEDIA_IOC_G_TOPOLOGY documentation didn't document the reservedX
fields. Related to that was that the documented type of the num_* fields
was also wrong.

Fix both.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil 2018-02-03 13:06:01 -05:00 committed by Mauro Carvalho Chehab
parent baa9e91015
commit ccac77dc71
1 changed files with 42 additions and 10 deletions
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52
Documentation/media/uapi/mediactl/media-ioc-g-topology.rst
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@ -68,7 +68,7 @@ desired arrays with the media graph elements.
- .. row 2 - .. row 2
- __u64 - __u32
- ``num_entities`` - ``num_entities``
@ -76,6 +76,14 @@ desired arrays with the media graph elements.
- .. row 3 - .. row 3
- __u32
- ``reserved1``
- Applications and drivers shall set this to 0.
- .. row 4
- __u64 - __u64
- ``ptr_entities`` - ``ptr_entities``
@ -85,15 +93,23 @@ desired arrays with the media graph elements.
the ioctl won't store the entities. It will just update the ioctl won't store the entities. It will just update
``num_entities`` ``num_entities``
- .. row 4 - .. row 5
- __u64 - __u32
- ``num_interfaces`` - ``num_interfaces``
- Number of interfaces in the graph - Number of interfaces in the graph
- .. row 5 - .. row 6
- __u32
- ``reserved2``
- Applications and drivers shall set this to 0.
- .. row 7
- __u64 - __u64
@ -104,15 +120,23 @@ desired arrays with the media graph elements.
the ioctl won't store the interfaces. It will just update the ioctl won't store the interfaces. It will just update
``num_interfaces`` ``num_interfaces``
- .. row 6 - .. row 8
- __u64 - __u32
- ``num_pads`` - ``num_pads``
- Total number of pads in the graph - Total number of pads in the graph
- .. row 7 - .. row 9
- __u32
- ``reserved3``
- Applications and drivers shall set this to 0.
- .. row 10
- __u64 - __u64
@ -122,15 +146,23 @@ desired arrays with the media graph elements.
converted to a 64-bits integer. It can be zero. if zero, the ioctl converted to a 64-bits integer. It can be zero. if zero, the ioctl
won't store the pads. It will just update ``num_pads`` won't store the pads. It will just update ``num_pads``
- .. row 8 - .. row 11
- __u64 - __u32
- ``num_links`` - ``num_links``
- Total number of data and interface links in the graph - Total number of data and interface links in the graph
- .. row 9 - .. row 12
- __u32
- ``reserved4``
- Applications and drivers shall set this to 0.
- .. row 13
- __u64 - __u64