linux-kernel - Re: [PATCH v3 7/7] imx214: Use v4l2_ctrl_new

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Date:   Mon, 26 Aug 2019 09:54:57 +0200
From:   Jacopo Mondi <jacopo@...ndi.org>
To:     Ricardo Ribalda Delgado <ribalda@...nel.org>
Cc:     Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 7/7] imx214: Use v4l2_ctrl_new_area helper

Hi Ricardo,

On Fri, Aug 23, 2019 at 02:37:37PM +0200, Ricardo Ribalda Delgado wrote:
> Instead of creating manually the V4L2_CID_UNIT_CELL_SIZE control, lets
> use the helper.
>

I think you should drop 4/7 and use directly the new helper here.

Thanks
  j

> Signed-off-by: Ricardo Ribalda Delgado <ribalda@...nel.org>
> ---
>  drivers/media/i2c/imx214.c | 29 ++++++++---------------------
>  1 file changed, 8 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
> index cc0a013ba7da..625617d4c81a 100644
> --- a/drivers/media/i2c/imx214.c
> +++ b/drivers/media/i2c/imx214.c
> @@ -942,26 +942,6 @@ static int __maybe_unused imx214_resume(struct device *dev)
>  	return ret;
>  }
>
> -static void unit_size_init(const struct v4l2_ctrl *ctrl, u32 idx,
> -		     union v4l2_ctrl_ptr ptr)
> -{
> -	ptr.p_area->width = 1120;
> -	ptr.p_area->height = 1120;
> -}
> -
> -static const struct v4l2_ctrl_type_ops unit_size_ops = {
> -	.init = unit_size_init,
> -};
> -
> -static struct v4l2_ctrl *new_unit_size_ctrl(struct v4l2_ctrl_handler *handler)
> -{
> -	static struct v4l2_ctrl_config ctrl = {
> -		.id = V4L2_CID_UNIT_CELL_SIZE,
> -		.type_ops = &unit_size_ops,
> -	};
> -
> -	return v4l2_ctrl_new_custom(handler, &ctrl, NULL);
> -}
>  static int imx214_probe(struct i2c_client *client)
>  {
>  	struct device *dev = &client->dev;
> @@ -969,6 +949,10 @@ static int imx214_probe(struct i2c_client *client)
>  	static const s64 link_freq[] = {
>  		IMX214_DEFAULT_LINK_FREQ,
>  	};
> +	struct v4l2_area unit_size = {
> +		.width = 1120,
> +		.height = 1120,
> +	};
>  	int ret;
>
>  	ret = imx214_parse_fwnode(dev);
> @@ -1050,7 +1034,10 @@ static int imx214_probe(struct i2c_client *client)
>  					     V4L2_CID_EXPOSURE,
>  					     0, 3184, 1, 0x0c70);
>
> -	imx214->unit_size = new_unit_size_ctrl(&imx214->ctrls);
> +	imx214->unit_size = v4l2_ctrl_new_area(&imx214->ctrls,
> +					       &imx214_ctrl_ops,
> +					       V4L2_CID_UNIT_CELL_SIZE,
> +					       &unit_size);
>
>  	ret = imx214->ctrls.error;
>  	if (ret) {
> --
> 2.23.0.rc1
>

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