linux-kernel - Re: [PATCH 4/4] [media] em28xx: Fix vidioc fmt vid cap v4l2 compliance

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Date:	Fri, 26 Jul 2013 15:25:05 +0200
From:	Hans Verkuil <hverkuil@...all.nl>
To:	Alban Browaeys <alban.browaeys@...il.com>
CC:	Mauro Carvalho Chehab <mchehab@...hat.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alban Browaeys <prahal@...oo.com>
Subject: Re: [PATCH 4/4] [media] em28xx: Fix vidioc fmt vid cap v4l2 compliance

The change to g_fmt_vid_cap isn't necessary as that's automatically cleared.
Only the s_fmt_vid_cap change is needed. I'll drop the first chunk and accept the
second.

Thanks,

	Hans

On 07/17/2013 01:06 AM, Alban Browaeys wrote:
> Set fmt.pix.priv to zero in vidioc_g_fmt_vid_cap
>  and vidioc_try_fmt_vid_cap.
> 
> Catched by v4l2-compliance.
> 
> Signed-off-by: Alban Browaeys <prahal@...oo.com>
> ---
>  drivers/media/usb/em28xx/em28xx-video.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
> index 1a577ed..42930a4 100644
> --- a/drivers/media/usb/em28xx/em28xx-video.c
> +++ b/drivers/media/usb/em28xx/em28xx-video.c
> @@ -943,6 +943,8 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
>  	else
>  		f->fmt.pix.field = dev->interlaced ?
>  			   V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
> +	f->fmt.pix.priv = 0;
> +
>  	return 0;
>  }
>  
> @@ -1008,6 +1010,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
>  	else
>  		f->fmt.pix.field = dev->interlaced ?
>  			   V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
> +	f->fmt.pix.priv = 0;
>  
>  	return 0;
>  }
> 
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