diff mbox series

[v4,3/4] media: i2c: ov5675: parse and register V4L2 device tree properties

Message ID 20220525121240.1094792-3-foss+kernel@0leil.net (mailing list archive)
State New, archived
Headers show
Series [v4,1/4] media: dt-bindings: ov5675: document YAML binding | expand

Commit Message

Quentin Schulz May 25, 2022, 12:12 p.m. UTC 
From: Quentin Schulz <quentin.schulz@theobroma-systems.com>

Parse V4L2 device tree properties and register controls for them.

Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
---

v3:
 - reverse-xmas-tree-ordered in ov5675_init_controls,

 drivers/media/i2c/ov5675.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/media/i2c/ov5675.c b/drivers/media/i2c/ov5675.c
index 194ec20a3070e..86f7a308c0844 100644
--- a/drivers/media/i2c/ov5675.c
+++ b/drivers/media/i2c/ov5675.c
@@ -779,12 +779,14 @@  static const struct v4l2_ctrl_ops ov5675_ctrl_ops = {
 
 static int ov5675_init_controls(struct ov5675 *ov5675)
 {
+	struct i2c_client *client = v4l2_get_subdevdata(&ov5675->sd);
+	struct v4l2_fwnode_device_properties props;
 	struct v4l2_ctrl_handler *ctrl_hdlr;
 	s64 exposure_max, h_blank;
 	int ret;
 
 	ctrl_hdlr = &ov5675->ctrl_handler;
-	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8);
+	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
 	if (ret)
 		return ret;
 
@@ -838,9 +840,23 @@  static int ov5675_init_controls(struct ov5675 *ov5675)
 	if (ctrl_hdlr->error)
 		return ctrl_hdlr->error;
 
+	ret = v4l2_fwnode_device_parse(&client->dev, &props);
+	if (ret)
+		goto error;
+
+	ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5675_ctrl_ops,
+					      &props);
+	if (ret)
+		goto error;
+
 	ov5675->sd.ctrl_handler = ctrl_hdlr;
 
 	return 0;
+
+error:
+	v4l2_ctrl_handler_free(ctrl_hdlr);
+
+	return ret;
 }
 
 static void ov5675_update_pad_format(const struct ov5675_mode *mode,