1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c
index c7d431f49238..e6d808f7cc8f 100644
--- a/drivers/media/video/cx18/cx18-streams.c
+++ b/drivers/media/video/cx18/cx18-streams.c
@@ -595,3 +595,21 @@ u32 cx18_find_handle(struct cx18 *cx)
 	}
 	return CX18_INVALID_TASK_HANDLE;
 }
+
+struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle)
+{
+	int i;
+	struct cx18_stream *s;
+
+	if (handle == CX18_INVALID_TASK_HANDLE)
+		return NULL;
+
+	for (i = 0; i < CX18_MAX_STREAMS; i++) {
+		s = &cx->streams[i];
+		if (s->handle != handle)
+			continue;
+		if (s->v4l2dev || s->dvb.enabled)
+			return s;
+	}
+	return NULL;
+}