[3/4] media: i2c: imx214: Read orientation and rotation from system firmware

Message ID 20231023-imx214-v1-3-b33f1bbd1fcf@apitzsch.eu
State New
Headers
Series media: i2c: imx214: Extend with sensor size and firmware information |

Commit Message

André Apitzsch Oct. 23, 2023, 9:47 p.m. UTC
  Obtain rotation and orientation information from system firmware and
register the appropriate controls.

Signed-off-by: André Apitzsch <git@apitzsch.eu>
---
 drivers/media/i2c/imx214.c | 7 +++++++
 1 file changed, 7 insertions(+)
  

Comments

Jacopo Mondi Oct. 24, 2023, 7:25 a.m. UTC | #1
Hi Andre'

On Mon, Oct 23, 2023 at 11:47:52PM +0200, André Apitzsch wrote:
> Obtain rotation and orientation information from system firmware and
> register the appropriate controls.
>
> Signed-off-by: André Apitzsch <git@apitzsch.eu>
> ---
>  drivers/media/i2c/imx214.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
> index 554fc4733128..bef8dc36e2d0 100644
> --- a/drivers/media/i2c/imx214.c
> +++ b/drivers/media/i2c/imx214.c
> @@ -704,9 +704,14 @@ static int imx214_ctrls_init(struct imx214 *imx214)
>  		.width = 1120,
>  		.height = 1120,
>  	};
> +	struct v4l2_fwnode_device_properties props;
>  	struct v4l2_ctrl_handler *ctrl_hdlr;
>  	int ret;
>
> +	ret = v4l2_fwnode_device_parse(imx214->dev, &props);
> +	if (ret < 0)
> +		return ret;
> +
>  	ctrl_hdlr = &imx214->ctrls;
>  	ret = v4l2_ctrl_handler_init(&imx214->ctrls, 3);
>  	if (ret)
> @@ -746,6 +751,8 @@ static int imx214_ctrls_init(struct imx214 *imx214)
>  				V4L2_CID_UNIT_CELL_SIZE,
>  				v4l2_ctrl_ptr_create((void *)&unit_size));
>
> +	v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx214_ctrl_ops, &props);
> +

I think it's fine not checking the return value of
v4l2_ctrl_new_fwnode_properties() if you inspect ctrl_hdlr->error just
after

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

Thanks
  j

>  	ret = ctrl_hdlr->error;
>  	if (ret) {
>  		v4l2_ctrl_handler_free(ctrl_hdlr);
>
> --
> 2.42.0
>
  
Ricardo Ribalda Delgado Oct. 27, 2023, 12:26 p.m. UTC | #2
On Mon, Oct 23, 2023 at 11:49 PM André Apitzsch <git@apitzsch.eu> wrote:
>
> Obtain rotation and orientation information from system firmware and
> register the appropriate controls.
>
> Signed-off-by: André Apitzsch <git@apitzsch.eu>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
  

Patch

diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 554fc4733128..bef8dc36e2d0 100644
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -704,9 +704,14 @@  static int imx214_ctrls_init(struct imx214 *imx214)
 		.width = 1120,
 		.height = 1120,
 	};
+	struct v4l2_fwnode_device_properties props;
 	struct v4l2_ctrl_handler *ctrl_hdlr;
 	int ret;
 
+	ret = v4l2_fwnode_device_parse(imx214->dev, &props);
+	if (ret < 0)
+		return ret;
+
 	ctrl_hdlr = &imx214->ctrls;
 	ret = v4l2_ctrl_handler_init(&imx214->ctrls, 3);
 	if (ret)
@@ -746,6 +751,8 @@  static int imx214_ctrls_init(struct imx214 *imx214)
 				V4L2_CID_UNIT_CELL_SIZE,
 				v4l2_ctrl_ptr_create((void *)&unit_size));
 
+	v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx214_ctrl_ops, &props);
+
 	ret = ctrl_hdlr->error;
 	if (ret) {
 		v4l2_ctrl_handler_free(ctrl_hdlr);