Pads that set this flag must be connected by an active link for the entity
to stream.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxx>
---
Documentation/DocBook/media/v4l/media-ioc-enum-links.xml | 5 +++++
include/uapi/linux/media.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml b/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml
index 355df43..4725a99 100644
--- a/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml
+++ b/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml
@@ -134,6 +134,11 @@
<entry>Output pad, relative to the entity. Output pads source data
and are origins of links.</entry>
</row>
+ <row>
+ <entry><constant>MEDIA_PAD_FL_MUST_CONNECT</constant></entry>
+ <entry>A pad must be connected with an enabled link for
+ the entity to be able to stream.</entry>
+ </row>
</tbody>
</tgroup>
</table>
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index ed49574..d847c76 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -98,6 +98,7 @@ struct media_entity_desc {
#define MEDIA_PAD_FL_SINK (1 << 0)
#define MEDIA_PAD_FL_SOURCE (1 << 1)
+#define MEDIA_PAD_FL_MUST_CONNECT (1 << 2)
struct media_pad_desc {
__u32 entity; /* entity ID */
--
1.7.10.4
--
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