diff options
Diffstat (limited to 'Documentation/media/uapi/mediactl/media-ioc-g-topology.rst')
| -rw-r--r-- | Documentation/media/uapi/mediactl/media-ioc-g-topology.rst | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst index 2e382cc7762c..48c9531f4db0 100644 --- a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst +++ b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst @@ -15,7 +15,8 @@ MEDIA_IOC_G_TOPOLOGY - Enumerate the graph topology and graph element properties Synopsis ======== -.. cpp:function:: int ioctl( int fd, int request, struct media_v2_topology *argp ) +.. c:function:: int ioctl( int fd, MEDIA_IOC_G_TOPOLOGY, struct media_v2_topology *argp ) + :name: MEDIA_IOC_G_TOPOLOGY Arguments @@ -24,9 +25,6 @@ Arguments ``fd`` File descriptor returned by :ref:`open() <media-func-open>`. -``request`` - MEDIA_IOC_G_TOPOLOGY - ``argp`` @@ -35,7 +33,7 @@ Description The typical usage of this ioctl is to call it twice. On the first call, the structure defined at struct -:ref:`media_v2_topology <media-v2-topology>` should be zeroed. At +:c:type:`media_v2_topology` should be zeroed. At return, if no errors happen, this ioctl will return the ``topology_version`` and the total number of entities, interfaces, pads and links. @@ -48,8 +46,9 @@ other values untouched. If the ``topology_version`` remains the same, the ioctl should fill the desired arrays with the media graph elements. +.. tabularcolumns:: |p{1.6cm}|p{3.2cm}|p{12.7cm}| -.. _media-v2-topology: +.. c:type:: media_v2_topology .. flat-table:: struct media_v2_topology :header-rows: 0 @@ -142,8 +141,9 @@ desired arrays with the media graph elements. won't store the links. It will just update ``num_links`` +.. tabularcolumns:: |p{1.6cm}|p{3.2cm}|p{12.7cm}| -.. _media-v2-entity: +.. c:type:: media_v2_entity .. flat-table:: struct media_v2_entity :header-rows: 0 @@ -185,8 +185,9 @@ desired arrays with the media graph elements. this array to zero. +.. tabularcolumns:: |p{1.6cm}|p{3.2cm}|p{12.7cm}| -.. _media-v2-interface: +.. c:type:: media_v2_interface .. flat-table:: struct media_v2_interface :header-rows: 0 @@ -233,11 +234,12 @@ desired arrays with the media graph elements. - ``devnode`` - Used only for device node interfaces. See - :ref:`media-v2-intf-devnode` for details.. + :c:type:`media_v2_intf_devnode` for details.. +.. tabularcolumns:: |p{1.6cm}|p{3.2cm}|p{12.7cm}| -.. _media-v2-intf-devnode: +.. c:type:: media_v2_intf_devnode .. flat-table:: struct media_v2_interface :header-rows: 0 @@ -262,8 +264,9 @@ desired arrays with the media graph elements. - Device node minor number. +.. tabularcolumns:: |p{1.6cm}|p{3.2cm}|p{12.7cm}| -.. _media-v2-pad: +.. c:type:: media_v2_pad .. flat-table:: struct media_v2_pad :header-rows: 0 @@ -305,8 +308,9 @@ desired arrays with the media graph elements. this array to zero. +.. tabularcolumns:: |p{1.6cm}|p{3.2cm}|p{12.7cm}| -.. _media-v2-link: +.. c:type:: media_v2_link .. flat-table:: struct media_v2_pad :header-rows: 0 |