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authorSakari Ailus <sakari.ailus@iki.fi>2013-10-13 07:58:43 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-12-04 14:59:20 -0200
commitd0700c5175b0684c9935ca57deae733c2758667c (patch)
tree50e71c8af152a6aae9835ef4f557623dc3184e4d /Documentation/DocBook
parent16422f552d4e70fa0953917e05f72033d629bdb8 (diff)
[media] media: Add pad flag MEDIA_PAD_FL_MUST_CONNECT
Pads that set this flag must be connected by an active link for the entity to stream. Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/DocBook')
-rw-r--r--Documentation/DocBook/media/v4l/media-ioc-enum-links.xml9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml b/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml
index 355df43badc5..cf8548556c7d 100644
--- a/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml
+++ b/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml
@@ -134,6 +134,15 @@
<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>If this flag is set and the pad is linked to any other
+ pad, then at least one of those links must be enabled for the
+ entity to be able to stream. There could be temporary reasons
+ (e.g. device configuration dependent) for the pad to need
+ enabled links even when this flag isn't set; the absence of the
+ flag doesn't imply there is none.</entry>
+ </row>
</tbody>
</tgroup>
</table>