Re: [PATCH] media: i2c: imx355: Parse and register properties

From: Jacopo Mondi
Date: Wed Jul 24 2024 - 03:31:52 EST


Hi Robert

On Tue, Jul 23, 2024 at 08:58:56PM GMT, Robert Mader wrote:
> Analogous to e.g. the imx219. This enables propagating
> V4L2_CID_CAMERA_SENSOR_ROTATION values so that libcamera

and V4L2_CID_CAMERA_ORIENTATION

> can detect the correct rotation from the device tree
> and propagate it further to e.g. Pipewire.

Well, yes, that's a consequence. As long as Linux is concerned, this
serves to register the two above mentioned controls.

>
> Signed-off-by: Robert Mader <robert.mader@xxxxxxxxxxxxx>

Reviewed-by: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx>

Thanks
j

> ---
> drivers/media/i2c/imx355.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c
> index 7e9c2f65fa08..0dd25eeea60b 100644
> --- a/drivers/media/i2c/imx355.c
> +++ b/drivers/media/i2c/imx355.c
> @@ -1520,6 +1520,7 @@ static const struct v4l2_subdev_internal_ops imx355_internal_ops = {
> static int imx355_init_controls(struct imx355 *imx355)
> {
> struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd);
> + struct v4l2_fwnode_device_properties props;
> struct v4l2_ctrl_handler *ctrl_hdlr;
> s64 exposure_max;
> s64 vblank_def;
> @@ -1531,7 +1532,7 @@ static int imx355_init_controls(struct imx355 *imx355)
> int ret;
>
> ctrl_hdlr = &imx355->ctrl_handler;
> - ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
> + ret = v4l2_ctrl_handler_init(ctrl_hdlr, 12);
> if (ret)
> return ret;
>
> @@ -1603,6 +1604,15 @@ static int imx355_init_controls(struct imx355 *imx355)
> goto error;
> }
>
> + ret = v4l2_fwnode_device_parse(&client->dev, &props);
> + if (ret)
> + goto error;
> +
> + ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx355_ctrl_ops,
> + &props);
> + if (ret)
> + goto error;
> +
> imx355->sd.ctrl_handler = ctrl_hdlr;
>
> return 0;
> --
> 2.45.2
>