media: rzg2l-cru: csi2: Mark sink and source pad with MUST_CONNECT flag

Mark the sink and source pad with the MEDIA_PAD_FL_MUST_CONNECT flag to
ensure pipeline validation fails if it is not connected.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20241018133446.223516-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
index e725982c4705e66c4a35bd147331da64a05e41e3..b6a118ce9fcb2bce398f51c4e2e609813eff26b6 100644 (file)
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
@@ -795,13 +795,15 @@ static int rzg2l_csi2_probe(struct platform_device *pdev)
        csi2->subdev.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
        csi2->subdev.entity.ops = &rzg2l_csi2_entity_ops;
 
-       csi2->pads[RZG2L_CSI2_SINK].flags = MEDIA_PAD_FL_SINK;
+       csi2->pads[RZG2L_CSI2_SINK].flags = MEDIA_PAD_FL_SINK |
+                                           MEDIA_PAD_FL_MUST_CONNECT;
        /*
         * TODO: RZ/G2L CSI2 supports 4 virtual channels, as virtual
         * channels should be implemented by streams API which is under
         * development lets hardcode to VC0 for now.
         */
-       csi2->pads[RZG2L_CSI2_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
+       csi2->pads[RZG2L_CSI2_SOURCE].flags = MEDIA_PAD_FL_SOURCE |
+                                             MEDIA_PAD_FL_MUST_CONNECT;
        ret = media_entity_pads_init(&csi2->subdev.entity, 2, csi2->pads);
        if (ret)
                goto error_pm;