> On April 13, 2019 at 1:43 AM Niklas Söderlund 
> <[email protected]> wrote:
> 
> 
> The format is already synced when the subdevice is bound, there is no
> need to do do it every time the video device is opened.
> 
> Signed-off-by: Niklas Söderlund <[email protected]>
> ---
>  drivers/media/platform/rcar-vin/rcar-v4l2.c | 25 ---------------------
>  1 file changed, 25 deletions(-)
> 
> diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c 
> b/drivers/media/platform/rcar-vin/rcar-v4l2.c
> index f67cef97b89a3bd4..71651c5a69483367 100644
> --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
> +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
> @@ -782,38 +782,13 @@ static int rvin_initialize_device(struct file *file)
>       struct rvin_dev *vin = video_drvdata(file);
>       int ret;
>  
> -     struct v4l2_format f = {
> -             .type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
> -             .fmt.pix = {
> -                     .width          = vin->format.width,
> -                     .height         = vin->format.height,
> -                     .field          = vin->format.field,
> -                     .colorspace     = vin->format.colorspace,
> -                     .pixelformat    = vin->format.pixelformat,
> -             },
> -     };
> -
>       ret = rvin_power_on(vin);
>       if (ret < 0)
>               return ret;
>  
> -     /*
> -      * Try to configure with default parameters. Notice: this is the
> -      * very first open, so, we cannot race against other calls,
> -      * apart from someone else calling open() simultaneously, but
> -      * .host_lock is protecting us against it.
> -      */
> -     ret = rvin_s_fmt_vid_cap(file, NULL, &f);
> -     if (ret < 0)
> -             goto esfmt;
> -
>       v4l2_ctrl_handler_setup(&vin->ctrl_handler);
>  
>       return 0;
> -esfmt:
> -     rvin_power_off(vin);
> -
> -     return ret;
>  }
>  
>  static int rvin_open(struct file *file)
> -- 
> 2.21.0
>

Reviewed-by: Ulrich Hecht <[email protected]>

CU
Uli

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