media: ivsc: csi: Swap SINK and SOURCE pads

This patch swaps SINK and SOURCE pads of the MEI CSI sub-device. While
this does change the UAPI by swapping the pads, the driver has never been
usable in upstream kernel as the Intel IPU6 driver it depends on any
functionality has not yet been merged.

Fixes: 29006e1 ("media: pci: intel: ivsc: Add CSI submodule")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

Author: Sakari Ailus

drivers/media/pci/intel/ivsc/mei_csi.c

@@ -71,8 +71,8 @@ enum ivsc_privacy_status {
 };
 
 enum csi_pads {
-	CSI_PAD_SOURCE,
 	CSI_PAD_SINK,
+	CSI_PAD_SOURCE,
 	CSI_NUM_PADS
 };
 
@@ -587,7 +587,7 @@ static int mei_csi_notify_bound(struct v4l2_async_notifier *notifier,
 	csi->remote_pad = pad;
 
 	return media_create_pad_link(&subdev->entity, pad,
-				     &csi->subdev.entity, 1,
+				     &csi->subdev.entity, CSI_PAD_SINK,
 				     MEDIA_LNK_FL_ENABLED |
 				     MEDIA_LNK_FL_IMMUTABLE);
 }