@@ -233,8 +233,9 @@
<entry>
<para>This event is triggered when a source parameter change is
detected during runtime by the video device. It can be a
- runtime resolution change triggered by a video decoder or the
- format change happening on an input connector.
+ runtime resolution change or signal lock status change
+ triggered by a video decoder, or the format change happening
+ on an input connector.
This event requires that the <structfield>id</structfield>
matches the input index (when used with a video device node)
or the pad index (when used with a subdevice node) from which
@@ -461,6 +462,13 @@
from a video decoder.
</entry>
</row>
+ <row>
+ <entry><constant>V4L2_EVENT_SRC_CH_LOCK_STATUS</constant></entry>
+ <entry>0x0002</entry>
+ <entry>This event gets triggered when there is a signal lock or
+ unlock detected at the input of a video decoder.
+ </entry>
+ </row>
</tbody>
</tgroup>
</table>
@@ -2078,6 +2078,7 @@ struct v4l2_event_frame_sync {
};
#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
+#define V4L2_EVENT_SRC_CH_LOCK_STATUS (1 << 1)
struct v4l2_event_src_change {
__u32 changes;
Add a signal lock status change to the source changes bitmask. This indicates there was a signal lock or unlock event detected at the input of a video decoder. Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> --- v3: no changes v2: no changes --- Documentation/DocBook/media/v4l/vidioc-dqevent.xml | 12 ++++++++++-- include/uapi/linux/videodev2.h | 1 + 2 files changed, 11 insertions(+), 2 deletions(-)