media: renesas: vsp1: Initialize control handler after subdev

Some VSP modules initialize their control handler after initializing the
subdev, while some initialize it before. This makes the code
inconsistent and more error prone. Standardize on control initialization
after initializing the subdev.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>

drivers/media/platform/renesas/vsp1/vsp1_hgo.c

@@ -192,6 +192,16 @@ struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1)
 	if (hgo == NULL)
 		return ERR_PTR(-ENOMEM);
 
+	/* Initialize the video device and queue for statistics data. */
+	ret = vsp1_histogram_init(vsp1, &hgo->histo, VSP1_ENTITY_HGO, "hgo",
+				  &hgo_entity_ops, hgo_mbus_formats,
+				  ARRAY_SIZE(hgo_mbus_formats),
+				  HGO_DATA_SIZE, V4L2_META_FMT_VSP1_HGO);
+	if (ret < 0) {
+		vsp1_entity_destroy(&hgo->histo.entity);
+		return ERR_PTR(ret);
+	}
+
 	/* Initialize the control handler. */
 	v4l2_ctrl_handler_init(&hgo->ctrls.handler,
 			       vsp1->info->gen >= 3 ? 2 : 1);
@@ -207,15 +217,5 @@ struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1)
 
 	hgo->histo.entity.subdev.ctrl_handler = &hgo->ctrls.handler;
 
-	/* Initialize the video device and queue for statistics data. */
-	ret = vsp1_histogram_init(vsp1, &hgo->histo, VSP1_ENTITY_HGO, "hgo",
-				  &hgo_entity_ops, hgo_mbus_formats,
-				  ARRAY_SIZE(hgo_mbus_formats),
-				  HGO_DATA_SIZE, V4L2_META_FMT_VSP1_HGO);
-	if (ret < 0) {
-		vsp1_entity_destroy(&hgo->histo.entity);
-		return ERR_PTR(ret);
-	}
-
 	return hgo;
 }

drivers/media/platform/renesas/vsp1/vsp1_hgt.c

@@ -191,12 +191,6 @@ struct vsp1_hgt *vsp1_hgt_create(struct vsp1_device *vsp1)
 	if (hgt == NULL)
 		return ERR_PTR(-ENOMEM);
 
-	/* Initialize the control handler. */
-	v4l2_ctrl_handler_init(&hgt->ctrls, 1);
-	v4l2_ctrl_new_custom(&hgt->ctrls, &hgt_hue_areas, NULL);
-
-	hgt->histo.entity.subdev.ctrl_handler = &hgt->ctrls;
-
 	/* Initialize the video device and queue for statistics data. */
 	ret = vsp1_histogram_init(vsp1, &hgt->histo, VSP1_ENTITY_HGT, "hgt",
 				  &hgt_entity_ops, hgt_mbus_formats,
@@ -207,6 +201,12 @@ struct vsp1_hgt *vsp1_hgt_create(struct vsp1_device *vsp1)
 		return ERR_PTR(ret);
 	}
 
+	/* Initialize the control handler. */
+	v4l2_ctrl_handler_init(&hgt->ctrls, 1);
+	v4l2_ctrl_new_custom(&hgt->ctrls, &hgt_hue_areas, NULL);
+
+	hgt->histo.entity.subdev.ctrl_handler = &hgt->ctrls;
+
 	v4l2_ctrl_handler_setup(&hgt->ctrls);
 
 	return hgt;