Re: [PATCH 3/3] media: imx: imx7-media-csi: Fail for non video-capture formats

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Hi Alexander,
thanks for the patch.

Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> writes:

> This driver only support V4L2_BUF_TYPE_VIDEO_CAPTURE, so fail for other
> passed types.
>
> Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
> ---
>  drivers/media/platform/nxp/imx7-media-csi.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c
> index 389d7d88b341..e470b0505d3b 100644
> --- a/drivers/media/platform/nxp/imx7-media-csi.c
> +++ b/drivers/media/platform/nxp/imx7-media-csi.c
> @@ -1186,6 +1186,11 @@ __imx7_csi_video_try_fmt(struct v4l2_pix_format *pixfmt,
>  static int imx7_csi_video_try_fmt_vid_cap(struct file *file, void *fh,
>  					  struct v4l2_format *f)
>  {
> +	struct imx7_csi *csi = video_drvdata(file);

Maybe copy/paste problem csi is never used.

> +
> +	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
> +		return -EINVAL;

Is this function ever called if f->type is not TYPE_VIDEO_CAPTURE?

> +
>  	__imx7_csi_video_try_fmt(&f->fmt.pix, NULL);
>  	return 0;
>  }
> @@ -1196,6 +1201,9 @@ static int imx7_csi_video_s_fmt_vid_cap(struct file *file, void *fh,
>  	struct imx7_csi *csi = video_drvdata(file);
>  	const struct imx7_csi_pixfmt *cc;
>  
> +	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
> +		return -EINVAL;

Ditto?

Cheers,
   Rui
> +
>  	if (vb2_is_busy(&csi->q)) {
>  		dev_err(csi->dev, "%s queue busy\n", __func__);
>  		return -EBUSY;
> -- 
> 2.34.1



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