[media] cx231xx: initialize video/vbi pads

Both video and vbi are sink pads. Initialize them as such.
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/usb/cx231xx/cx231xx-video.c

@@ -2121,7 +2121,12 @@ int cx231xx_register_analog_devices(struct cx231xx *dev)
 		dev_err(dev->dev, "cannot allocate video_device.\n");
 		return -ENODEV;
 	}
-
+#if defined(CONFIG_MEDIA_CONTROLLER)
+	dev->video_pad.flags = MEDIA_PAD_FL_SINK;
+	ret = media_entity_init(&dev->vdev->entity, 1, &dev->video_pad, 0);
+	if (ret < 0)
+		dev_err(dev->dev, "failed to initialize video media entity!\n");
+#endif
 	dev->vdev->ctrl_handler = &dev->ctrl_handler;
 	/* register v4l2 video video_device */
 	ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
@@ -2147,6 +2152,12 @@ int cx231xx_register_analog_devices(struct cx231xx *dev)
 		dev_err(dev->dev, "cannot allocate video_device.\n");
 		return -ENODEV;
 	}
+#if defined(CONFIG_MEDIA_CONTROLLER)
+	dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
+	ret = media_entity_init(&dev->vbi_dev->entity, 1, &dev->vbi_pad, 0);
+	if (ret < 0)
+		dev_err(dev->dev, "failed to initialize vbi media entity!\n");
+#endif
 	dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
 	/* register v4l2 vbi video_device */
 	ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,

drivers/media/usb/cx231xx/cx231xx.h

@@ -660,6 +660,7 @@ struct cx231xx {
 
 #if defined(CONFIG_MEDIA_CONTROLLER)
 	struct media_device *media_dev;
+	struct media_pad video_pad, vbi_pad;
 #endif
 
 	unsigned char eedata[256];