V4L/DVB (12216): saa7134: set RDS capability if applicable.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index bf4c99d..58854df 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -1819,6 +1819,8 @@
 		V4L2_CAP_READWRITE |
 		V4L2_CAP_STREAMING |
 		V4L2_CAP_TUNER;
+	if (dev->has_rds)
+		cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
 	if (saa7134_no_overlay <= 0)
 		cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;