[PATCH v4 2/6] media: imx335: Parse fwnode properties

From: Umang Jain
Date: Tue Apr 02 2024 - 10:10:06 EST


From: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>

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

Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>
Signed-off-by: Umang Jain <umang.jain@xxxxxxxxxxxxxxxx>
---
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