[libcamera-devel] [PATCH v11 10/13] media: i2c: ov5670: Parse and register properties

Jacopo Mondi jacopo at jmondi.org
Sat May 9 11:04:53 CEST 2020


Parse device properties and register controls for them using the newly
introduced helpers.

Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
---
 drivers/media/i2c/ov5670.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/ov5670.c b/drivers/media/i2c/ov5670.c
index 041fcbb4eebdf..f26252e35e08d 100644
--- a/drivers/media/i2c/ov5670.c
+++ b/drivers/media/i2c/ov5670.c
@@ -7,6 +7,7 @@
 #include <linux/pm_runtime.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
+#include <media/v4l2-fwnode.h>
 
 #define OV5670_REG_CHIP_ID		0x300a
 #define OV5670_CHIP_ID			0x005670
@@ -2059,6 +2060,8 @@ static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
 /* Initialize control handlers */
 static int ov5670_init_controls(struct ov5670 *ov5670)
 {
+	struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
+	struct v4l2_fwnode_device_properties props;
 	struct v4l2_ctrl_handler *ctrl_hdlr;
 	s64 vblank_max;
 	s64 vblank_def;
@@ -2067,7 +2070,7 @@ static int ov5670_init_controls(struct ov5670 *ov5670)
 	int ret;
 
 	ctrl_hdlr = &ov5670->ctrl_handler;
-	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8);
+	ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
 	if (ret)
 		return ret;
 
@@ -2129,6 +2132,15 @@ static int ov5670_init_controls(struct ov5670 *ov5670)
 		goto error;
 	}
 
+	ret = v4l2_fwnode_device_parse(&client->dev, &props);
+	if (ret)
+		goto error;
+
+	ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops,
+					      &props);
+	if (ret)
+		goto error;
+
 	ov5670->sd.ctrl_handler = ctrl_hdlr;
 
 	return 0;
-- 
2.26.1



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