Re: [PATCH v4 28/36] media: imx: csi: fix crop rectangle changes in set_fmt

[Russell King - ARM Linux]

On Wed, Feb 15, 2017 at 06:19:30PM -0800, Steve Longerbeam wrote:
> diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
> index ae24b42..3cb97e2 100644
> --- a/drivers/staging/media/imx/imx-media-csi.c
> +++ b/drivers/staging/media/imx/imx-media-csi.c
> @@ -531,6 +531,10 @@ static int csi_setup(struct csi_priv *priv)
>  
>  	ipu_csi_set_window(priv->csi, &priv->crop);
>  
> +	ipu_csi_set_downsize(priv->csi,
> +			     priv->crop.width == 2 * outfmt->width,
> +			     priv->crop.height == 2 * outfmt->height);
> +

This fails to build:

ERROR: "ipu_csi_set_downsize" [drivers/staging/media/imx/imx-media-csi.ko] undefined!

ipu_csi_set_downsize needs to be exported if we're going to use it in
a module:

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