linux-kernel - [PATCH v3 2/6] media: imx335: Parse fwnode properties

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Message-ID: <20240321111239.808735-3-umang.jain@ideasonboard.com>
Date: Thu, 21 Mar 2024 16:42:35 +0530
From: Umang Jain <umang.jain@...asonboard.com>
To: linux-media@...r.kernel.org
Cc: Alexander Shiyan <eagle.alexander923@...il.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Kieran Bingham <kieran.bingham@...asonboard.com>,
	open list <linux-kernel@...r.kernel.org>,
	Umang Jain <umang.jain@...asonboard.com>
Subject: [PATCH v3 2/6] media: imx335: Parse fwnode properties

From: Kieran Bingham <kieran.bingham@...asonboard.com>

Call the V4L2 fwnode device parser to handle controls that are
standardised by the framework.

Signed-off-by: Kieran Bingham <kieran.bingham@...asonboard.com>
Signed-off-by: Umang Jain <umang.jain@...asonboard.com>
---
 drivers/media/i2c/imx335.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c
index c633ea1380e7..b8cf85984127 100644
--- a/drivers/media/i2c/imx335.c
+++ b/drivers/media/i2c/imx335.c
@@ -1227,10 +1227,12 @@ static int imx335_init_controls(struct imx335 *imx335)
 {
 	struct v4l2_ctrl_handler *ctrl_hdlr = &imx335->ctrl_handler;
 	const struct imx335_mode *mode = imx335->cur_mode;
+	struct v4l2_fwnode_device_properties props;
 	u32 lpfr;
 	int ret;
 
-	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 7);
+	/* v4l2_fwnode_device_properties can add two more controls */
+	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 9);
 	if (ret)
 		return ret;
 
@@ -1296,15 +1298,27 @@ static int imx335_init_controls(struct imx335 *imx335)
 		imx335->hblank_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
 
 	if (ctrl_hdlr->error) {
-		dev_err(imx335->dev, "control init failed: %d\n",
-			ctrl_hdlr->error);
-		v4l2_ctrl_handler_free(ctrl_hdlr);
-		return ctrl_hdlr->error;
+		ret = ctrl_hdlr->error;
+		dev_err(imx335->dev, "control init failed: %d\n", ret);
+		goto free_ctrl_hdlr;
 	}
 
+	ret = v4l2_fwnode_device_parse(imx335->dev, &props);
+	if (ret)
+		goto free_ctrl_hdlr;
+
+	ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx335_ctrl_ops,
+					      &props);
+	if (ret)
+		goto free_ctrl_hdlr;
+
 	imx335->sd.ctrl_handler = ctrl_hdlr;
 
 	return 0;
+
+free_ctrl_hdlr:
+	v4l2_ctrl_handler_free(ctrl_hdlr);
+	return ret;
 }
 
 /**
-- 
2.43.0