openwrt/target/linux/bcm27xx/patches-6.6/950-0296-media-i2c-ov7251-Add-fwnode-properties-controls.patch

From 992c6b9bd2d5a12d6b49a730cd3cfdbebfdbd44e Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Tue, 3 Aug 2021 11:33:33 +0100
Subject: [PATCH 0296/1085] media: i2c: ov7251: 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/ov7251.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

--- a/drivers/media/i2c/ov7251.c
+++ b/drivers/media/i2c/ov7251.c
@@ -1541,7 +1541,7 @@ static int ov7251_init_ctrls(struct ov72
 	s64 pixel_rate;
 	int hblank;
 
-	v4l2_ctrl_handler_init(&ov7251->ctrls, 7);
+	v4l2_ctrl_handler_init(&ov7251->ctrls, 9);
 	ov7251->ctrls.lock = &ov7251->lock;
 
 	v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops,
@@ -1600,6 +1600,7 @@ static int ov7251_init_ctrls(struct ov72
 
 static int ov7251_probe(struct i2c_client *client)
 {
+	struct v4l2_fwnode_device_properties props;
 	struct device *dev = &client->dev;
 	struct ov7251 *ov7251;
 	unsigned int rate = 0, clk_rate = 0;
@@ -1690,6 +1691,15 @@ static int ov7251_probe(struct i2c_clien
 		goto destroy_mutex;
 	}
 
+	ret = v4l2_fwnode_device_parse(&client->dev, &props);
+	if (ret)
+		goto free_ctrl;
+
+	ret = v4l2_ctrl_new_fwnode_properties(&ov7251->ctrls, &ov7251_ctrl_ops,
+					      &props);
+	if (ret)
+		goto free_ctrl;
+
 	v4l2_i2c_subdev_init(&ov7251->sd, client, &ov7251_subdev_ops);
 	ov7251->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	ov7251->pad.flags = MEDIA_PAD_FL_SOURCE;