Re: [PATCH 4/5] media: i2c: imx290: Add support to enumerate all frame sizes

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On Sat, Nov 30, 2019 at 12:35:40AM +0530, Manivannan Sadhasivam wrote:
> Add support to enumerate all frame sizes supported by IMX290. This is
> required for using with userspace tools such as libcamera.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
>  drivers/media/i2c/imx290.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
> index d5bb3a59ac46..f26c4a0ee0a0 100644
> --- a/drivers/media/i2c/imx290.c
> +++ b/drivers/media/i2c/imx290.c
> @@ -468,6 +468,25 @@ static int imx290_enum_mbus_code(struct v4l2_subdev *sd,
>  	return 0;
>  }
>  
> +static int imx290_enum_frame_size(struct v4l2_subdev *subdev,
> +				  struct v4l2_subdev_pad_config *cfg,
> +				  struct v4l2_subdev_frame_size_enum *fse)
> +{
> +	if ((fse->code != imx290_formats[0].code) &&
> +	    (fse->code != imx290_formats[1].code))

Please use a loop over imx290_formats instead.

> +		return -EINVAL;
> +
> +	if (fse->index >= ARRAY_SIZE(imx290_modes))
> +		return -EINVAL;
> +
> +	fse->min_width = imx290_modes[fse->index].width;
> +	fse->max_width = imx290_modes[fse->index].width;
> +	fse->min_height = imx290_modes[fse->index].height;
> +	fse->max_height = imx290_modes[fse->index].height;
> +
> +	return 0;
> +}
> +
>  static int imx290_get_fmt(struct v4l2_subdev *sd,
>  			  struct v4l2_subdev_pad_config *cfg,
>  			  struct v4l2_subdev_format *fmt)
> @@ -820,6 +839,7 @@ static const struct v4l2_subdev_video_ops imx290_video_ops = {
>  static const struct v4l2_subdev_pad_ops imx290_pad_ops = {
>  	.init_cfg = imx290_entity_init_cfg,
>  	.enum_mbus_code = imx290_enum_mbus_code,
> +	.enum_frame_size = imx290_enum_frame_size,
>  	.get_fmt = imx290_get_fmt,
>  	.set_fmt = imx290_set_fmt,
>  };

-- 
Regards,

Sakari Ailus



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