openwrt/target/linux/bcm27xx/patches-5.15/950-0458-media-i2c-ov9281-Add-fwnode-properties-controls.patch

From dfaa98b5db1b6ec5f73b18f997cf18c18099d571 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Tue, 3 Aug 2021 11:30:58 +0100
Subject: [PATCH] media: i2c: ov9281: Add fwnode properties controls

Add call to v4l2_ctrl_new_fwnode_properties to read and
create the fwnode based controls.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
 drivers/media/i2c/ov9281.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

--- a/drivers/media/i2c/ov9281.c
+++ b/drivers/media/i2c/ov9281.c
@@ -25,6 +25,7 @@
 #include <media/media-entity.h>
 #include <media/v4l2-async.h>
 #include <media/v4l2-ctrls.h>
+#include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
 #define OV9281_LINK_FREQ_400MHZ		400000000
@@ -1023,6 +1024,7 @@ static const struct v4l2_ctrl_ops ov9281
 
 static int ov9281_initialize_controls(struct ov9281 *ov9281)
 {
+	struct v4l2_fwnode_device_properties props;
 	const struct ov9281_mode *mode;
 	struct v4l2_ctrl_handler *handler;
 	struct v4l2_ctrl *ctrl;
@@ -1032,7 +1034,7 @@ static int ov9281_initialize_controls(st
 
 	handler = &ov9281->ctrl_handler;
 	mode = ov9281->cur_mode;
-	ret = v4l2_ctrl_handler_init(handler, 9);
+	ret = v4l2_ctrl_handler_init(handler, 11);
 	if (ret)
 		return ret;
 	handler->lock = &ov9281->mutex;
@@ -1094,6 +1096,15 @@ static int ov9281_initialize_controls(st
 		goto err_free_handler;
 	}
 
+	ret = v4l2_fwnode_device_parse(&ov9281->client->dev, &props);
+	if (ret)
+		goto err_free_handler;
+
+	ret = v4l2_ctrl_new_fwnode_properties(handler, &ov9281_ctrl_ops,
+					      &props);
+	if (ret)
+		goto err_free_handler;
+
 	ov9281->subdev.ctrl_handler = handler;
 
 	return 0;