Re: [PATCH RFC v2 7/7] v4l: define own IOCTL ops for SDR FMT

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On 12/14/2013 05:15 PM, Antti Palosaari wrote:
> Use own format ops for SDR data:
> vidioc_enum_fmt_sdr_cap
> vidioc_g_fmt_sdr_cap
> vidioc_s_fmt_sdr_cap
> vidioc_try_fmt_sdr_cap

The patch order is a bit weird. I would expect this patch to come before patch 6.

Regards,

	Hans

> 
> Cc: Hans Verkuil <hverkuil@xxxxxxxxx>
> Signed-off-by: Antti Palosaari <crope@xxxxxx>
> ---
>  drivers/media/v4l2-core/v4l2-dev.c   |  8 ++++----
>  drivers/media/v4l2-core/v4l2-ioctl.c | 18 +++++++++---------
>  include/media/v4l2-ioctl.h           |  8 ++++++++
>  3 files changed, 21 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
> index 9f15e25..a84f4ea 100644
> --- a/drivers/media/v4l2-core/v4l2-dev.c
> +++ b/drivers/media/v4l2-core/v4l2-dev.c
> @@ -673,13 +673,13 @@ static void determine_valid_ioctls(struct video_device *vdev)
>  		SET_VALID_IOCTL(ops, VIDIOC_G_SLICED_VBI_CAP, vidioc_g_sliced_vbi_cap);
>  	} else if (is_sdr) {
>  		/* SDR specific ioctls */
> -		if (ops->vidioc_enum_fmt_vid_cap)
> +		if (ops->vidioc_enum_fmt_sdr_cap)
>  			set_bit(_IOC_NR(VIDIOC_ENUM_FMT), valid_ioctls);
> -		if (ops->vidioc_g_fmt_vid_cap)
> +		if (ops->vidioc_g_fmt_sdr_cap)
>  			set_bit(_IOC_NR(VIDIOC_G_FMT), valid_ioctls);
> -		if (ops->vidioc_s_fmt_vid_cap)
> +		if (ops->vidioc_s_fmt_sdr_cap)
>  			set_bit(_IOC_NR(VIDIOC_S_FMT), valid_ioctls);
> -		if (ops->vidioc_try_fmt_vid_cap)
> +		if (ops->vidioc_try_fmt_sdr_cap)
>  			set_bit(_IOC_NR(VIDIOC_TRY_FMT), valid_ioctls);
>  
>  		if (is_rx) {
> diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
> index a7e6b52..18aa36a 100644
> --- a/drivers/media/v4l2-core/v4l2-ioctl.c
> +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
> @@ -939,7 +939,7 @@ static int check_fmt(struct file *file, enum v4l2_buf_type type)
>  			return 0;
>  		break;
>  	case V4L2_BUF_TYPE_SDR_CAPTURE:
> -		if (is_sdr && is_rx && ops->vidioc_g_fmt_vid_cap)
> +		if (is_sdr && is_rx && ops->vidioc_g_fmt_sdr_cap)
>  			return 0;
>  		break;
>  	default:
> @@ -1062,9 +1062,9 @@ static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops,
>  			break;
>  		return ops->vidioc_enum_fmt_vid_out_mplane(file, fh, arg);
>  	case V4L2_BUF_TYPE_SDR_CAPTURE:
> -		if (unlikely(!is_rx || !ops->vidioc_enum_fmt_vid_cap))
> +		if (unlikely(!is_rx || !ops->vidioc_enum_fmt_sdr_cap))
>  			break;
> -		return ops->vidioc_enum_fmt_vid_cap(file, fh, arg);
> +		return ops->vidioc_enum_fmt_sdr_cap(file, fh, arg);
>  	}
>  	return -EINVAL;
>  }
> @@ -1121,9 +1121,9 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
>  			break;
>  		return ops->vidioc_g_fmt_sliced_vbi_out(file, fh, arg);
>  	case V4L2_BUF_TYPE_SDR_CAPTURE:
> -		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_g_fmt_vid_cap))
> +		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_g_fmt_sdr_cap))
>  			break;
> -		return ops->vidioc_g_fmt_vid_cap(file, fh, arg);
> +		return ops->vidioc_g_fmt_sdr_cap(file, fh, arg);
>  	}
>  	return -EINVAL;
>  }
> @@ -1190,10 +1190,10 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
>  		CLEAR_AFTER_FIELD(p, fmt.sliced);
>  		return ops->vidioc_s_fmt_sliced_vbi_out(file, fh, arg);
>  	case V4L2_BUF_TYPE_SDR_CAPTURE:
> -		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_s_fmt_vid_cap))
> +		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_s_fmt_sdr_cap))
>  			break;
>  		CLEAR_AFTER_FIELD(p, fmt.sdr);
> -		return ops->vidioc_s_fmt_vid_cap(file, fh, arg);
> +		return ops->vidioc_s_fmt_sdr_cap(file, fh, arg);
>  	}
>  	return -EINVAL;
>  }
> @@ -1260,10 +1260,10 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
>  		CLEAR_AFTER_FIELD(p, fmt.sliced);
>  		return ops->vidioc_try_fmt_sliced_vbi_out(file, fh, arg);
>  	case V4L2_BUF_TYPE_SDR_CAPTURE:
> -		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_try_fmt_vid_cap))
> +		if (unlikely(!is_rx || !is_sdr || !ops->vidioc_try_fmt_sdr_cap))
>  			break;
>  		CLEAR_AFTER_FIELD(p, fmt.sdr);
> -		return ops->vidioc_try_fmt_vid_cap(file, fh, arg);
> +		return ops->vidioc_try_fmt_sdr_cap(file, fh, arg);
>  	}
>  	return -EINVAL;
>  }
> diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
> index e0b74a4..8be32f5 100644
> --- a/include/media/v4l2-ioctl.h
> +++ b/include/media/v4l2-ioctl.h
> @@ -40,6 +40,8 @@ struct v4l2_ioctl_ops {
>  					      struct v4l2_fmtdesc *f);
>  	int (*vidioc_enum_fmt_vid_out_mplane)(struct file *file, void *fh,
>  					      struct v4l2_fmtdesc *f);
> +	int (*vidioc_enum_fmt_sdr_cap)     (struct file *file, void *fh,
> +					    struct v4l2_fmtdesc *f);
>  
>  	/* VIDIOC_G_FMT handlers */
>  	int (*vidioc_g_fmt_vid_cap)    (struct file *file, void *fh,
> @@ -62,6 +64,8 @@ struct v4l2_ioctl_ops {
>  					   struct v4l2_format *f);
>  	int (*vidioc_g_fmt_vid_out_mplane)(struct file *file, void *fh,
>  					   struct v4l2_format *f);
> +	int (*vidioc_g_fmt_sdr_cap)    (struct file *file, void *fh,
> +					struct v4l2_format *f);
>  
>  	/* VIDIOC_S_FMT handlers */
>  	int (*vidioc_s_fmt_vid_cap)    (struct file *file, void *fh,
> @@ -84,6 +88,8 @@ struct v4l2_ioctl_ops {
>  					   struct v4l2_format *f);
>  	int (*vidioc_s_fmt_vid_out_mplane)(struct file *file, void *fh,
>  					   struct v4l2_format *f);
> +	int (*vidioc_s_fmt_sdr_cap)    (struct file *file, void *fh,
> +					struct v4l2_format *f);
>  
>  	/* VIDIOC_TRY_FMT handlers */
>  	int (*vidioc_try_fmt_vid_cap)    (struct file *file, void *fh,
> @@ -106,6 +112,8 @@ struct v4l2_ioctl_ops {
>  					     struct v4l2_format *f);
>  	int (*vidioc_try_fmt_vid_out_mplane)(struct file *file, void *fh,
>  					     struct v4l2_format *f);
> +	int (*vidioc_try_fmt_sdr_cap)    (struct file *file, void *fh,
> +					  struct v4l2_format *f);
>  
>  	/* Buffer handlers */
>  	int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b);
> 

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