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 | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst index d6f41a8e307f..bac128c7eda9 100644 --- a/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst +++ b/Documentation/media/uapi/mediactl/media-ioc-g-topology.rst @@ -131,11 +131,14 @@ desired arrays with the media graph elements. * - __u32 - ``id`` - - Unique ID for the entity. + - Unique ID for the entity. Do not expect that the ID will + always be the same for each instance of the device. In other words, + do not hardcode entity IDs in an application. * - char - ``name``\ [64] - - Entity name as an UTF-8 NULL-terminated string. + - Entity name as an UTF-8 NULL-terminated string. This name must be unique + within the media topology. * - __u32 - ``function`` @@ -166,7 +169,9 @@ desired arrays with the media graph elements. * - __u32 - ``id`` - - Unique ID for the interface. + - Unique ID for the interface. Do not expect that the ID will + always be the same for each instance of the device. In other words, + do not hardcode interface IDs in an application. * - __u32 - ``intf_type`` @@ -215,7 +220,9 @@ desired arrays with the media graph elements. * - __u32 - ``id`` - - Unique ID for the pad. + - Unique ID for the pad. Do not expect that the ID will + always be the same for each instance of the device. In other words, + do not hardcode pad IDs in an application. * - __u32 - ``entity_id`` @@ -249,7 +256,9 @@ desired arrays with the media graph elements. * - __u32 - ``id`` - - Unique ID for the link. + - Unique ID for the link. Do not expect that the ID will + always be the same for each instance of the device. In other words, + do not hardcode link IDs in an application. * - __u32 - ``source_id`` |