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-rw-r--r--include/media/v4l2-async.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/media/v4l2-async.h b/include/media/v4l2-async.h
index c06b3b832228..5bc2efe720c2 100644
--- a/include/media/v4l2-async.h
+++ b/include/media/v4l2-async.h
@@ -211,6 +211,17 @@ __v4l2_async_nf_add_i2c(struct v4l2_async_notifier *notifier,
sizeof(type)))
/**
+ * v4l2_async_connection_unique - return a unique &struct v4l2_async_connection
+ * for a sub-device
+ * @sd: the sub-device
+ *
+ * Return an async connection for a sub-device, when there is a single
+ * one only.
+ */
+struct v4l2_async_connection *
+v4l2_async_connection_unique(struct v4l2_subdev *sd);
+
+/**
* v4l2_async_nf_register - registers a subdevice asynchronous notifier
*
* @v4l2_dev: pointer to &struct v4l2_device