diff options
Diffstat (limited to 'Documentation/DocBook')
| -rw-r--r-- | Documentation/DocBook/v4l/media-ioc-enum-links.xml | 5 | ||||
| -rw-r--r-- | Documentation/DocBook/v4l/media-ioc-setup-link.xml | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/DocBook/v4l/media-ioc-enum-links.xml b/Documentation/DocBook/v4l/media-ioc-enum-links.xml index 6da884159cab..d2fc73ef8d56 100644 --- a/Documentation/DocBook/v4l/media-ioc-enum-links.xml +++ b/Documentation/DocBook/v4l/media-ioc-enum-links.xml @@ -179,6 +179,11 @@ <entry>The link enabled state can't be modified at runtime. An immutable link is always enabled.</entry> </row> + <row> + <entry><constant>MEDIA_LNK_FL_DYNAMIC</constant></entry> + <entry>The link enabled state can be modified during streaming. This + flag is set by drivers and is read-only for applications.</entry> + </row> </tbody> </tgroup> </table> diff --git a/Documentation/DocBook/v4l/media-ioc-setup-link.xml b/Documentation/DocBook/v4l/media-ioc-setup-link.xml index 09ab3d2b3a52..2331e76ded17 100644 --- a/Documentation/DocBook/v4l/media-ioc-setup-link.xml +++ b/Documentation/DocBook/v4l/media-ioc-setup-link.xml @@ -60,6 +60,9 @@ <para>Link configuration has no side effect on other links. If an enabled link at the sink pad prevents the link from being enabled, the driver returns with an &EBUSY;.</para> + <para>Only links marked with the <constant>DYNAMIC</constant> link flag can + be enabled/disabled while streaming media data. Attempting to enable or + disable a streaming non-dynamic link will return an &EBUSY;.</para> <para>If the specified link can't be found the driver returns with an &EINVAL;.</para> </refsect1> |