media: rockchip: vicap support disconnect with isp

control by sensor adapter driver

Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I1a15eb31fa038246e3e86e25d5cff4dd3978a453

drivers/media/platform/rockchip/cif/capture.c

@@ -24,6 +24,7 @@
 #include "dev.h"
 #include "mipi-csi2.h"
 #include "common.h"
+#include "rkcif-externel.h"
 
 #define CIF_REQ_BUFS_MIN	3
 #define CIF_MIN_WIDTH		64
@@ -7913,3 +7914,19 @@ void rkcif_irq_lite_lvds(struct rkcif_device *cif_dev)
 	}
 }
 
+int rkcif_sditf_disconnect(struct video_device *vdev)
+{
+	struct rkcif_vdev_node *vnode = vdev_to_node(vdev);
+	struct rkcif_stream *stream = to_rkcif_stream(vnode);
+	struct rkcif_device *cifdev = stream->cifdev;
+	struct media_link *link;
+	int ret;
+
+	link = list_first_entry(&cifdev->sditf->sd.entity.links, struct media_link, list);
+	ret = media_entity_setup_link(link, 0);
+	if (ret)
+		dev_err(cifdev->dev, "failed to disable link of sditf with isp");
+
+	return ret;
+}
+EXPORT_SYMBOL(rkcif_sditf_disconnect);

drivers/media/platform/rockchip/cif/rkcif-externel.h

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2022 Rockchip Electronics Co., Ltd.
+ */
+
+#ifndef _RKCIF_EXTERNEL_H
+#define _RKCIF_EXTERNEL_H
+
+#include <media/v4l2-dev.h>
+
+int rkcif_sditf_disconnect(struct video_device *vdev);
+
+#endif