Re: [PATCH 7/7] DocBook media: document the new 'which' field.

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Hi Hans,

Thank you for the patch.

On Friday 13 February 2015 12:30:06 Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> 
> The subdev enum ioctls now have a new 'which' field. Document this.
> 
> Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>

Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  .../DocBook/media/v4l/vidioc-subdev-enum-frame-interval.xml | 13 ++++++----
>  .../DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml     | 13 ++++++----
>  .../DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml      | 11 +++++++--- 
3 files changed, 26 insertions(+), 11 deletions(-)
> 
> diff --git
> a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-interval.xml
> b/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-interval.xml
> index 2f8f4f0..cff59f5 100644
> --- a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-interval.xml
> +++ b/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-interval.xml
> @@ -67,9 +67,9 @@
> 
>      <para>To enumerate frame intervals applications initialize the
>      <structfield>index</structfield>, <structfield>pad</structfield>,
> -    <structfield>code</structfield>, <structfield>width</structfield> and
> -    <structfield>height</structfield> fields of
> -    &v4l2-subdev-frame-interval-enum; and call the
> +    <structfield>which</structfield>, <structfield>code</structfield>,
> +    <structfield>width</structfield> and <structfield>height</structfield>
> +    fields of &v4l2-subdev-frame-interval-enum; and call the
>      <constant>VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL</constant> ioctl with a
> pointer to this structure. Drivers fill the rest of the structure or return
> an &EINVAL; if one of the input fields is invalid. All frame intervals are
> @@ -123,7 +123,12 @@
>  	  </row>
>  	  <row>
>  	    <entry>__u32</entry>
> -	    <entry><structfield>reserved</structfield>[9]</entry>
> +	    <entry><structfield>which</structfield></entry>
> +	    <entry>Frame intervals to be enumerated, from
> &v4l2-subdev-format-whence;.</entry> +	  </row>
> +	  <row>
> +	    <entry>__u32</entry>
> +	    <entry><structfield>reserved</structfield>[8]</entry>
>  	    <entry>Reserved for future extensions. Applications and drivers must
>  	    set the array to zero.</entry>
>  	  </row>
> diff --git
> a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml
> b/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml index
> 79ce42b..abd545e 100644
> --- a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml
> +++ b/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml
> @@ -61,9 +61,9 @@
>      ioctl.</para>
> 
>      <para>To enumerate frame sizes applications initialize the
> -    <structfield>pad</structfield>, <structfield>code</structfield> and
> -    <structfield>index</structfield> fields of the
> -    &v4l2-subdev-mbus-code-enum; and call the
> +    <structfield>pad</structfield>, <structfield>which</structfield> ,
> +    <structfield>code</structfield> and <structfield>index</structfield>
> +    fields of the &v4l2-subdev-mbus-code-enum; and call the
>      <constant>VIDIOC_SUBDEV_ENUM_FRAME_SIZE</constant> ioctl with a pointer
> to the structure. Drivers fill the minimum and maximum frame sizes or
> return an &EINVAL; if one of the input parameters is invalid.</para> @@
> -127,7 +127,12 @@
>  	  </row>
>  	  <row>
>  	    <entry>__u32</entry>
> -	    <entry><structfield>reserved</structfield>[9]</entry>
> +	    <entry><structfield>which</structfield></entry>
> +	    <entry>Frame sizes to be enumerated, from
> &v4l2-subdev-format-whence;.</entry> +	  </row>
> +	  <row>
> +	    <entry>__u32</entry>
> +	    <entry><structfield>reserved</structfield>[8]</entry>
>  	    <entry>Reserved for future extensions. Applications and drivers must
>  	    set the array to zero.</entry>
>  	  </row>
> diff --git
> a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml
> b/Documentation/DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml index
> a6b3432..0bcb278 100644
> --- a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml
> +++ b/Documentation/DocBook/media/v4l/vidioc-subdev-enum-mbus-code.xml
> @@ -56,8 +56,8 @@
>      </note>
> 
>      <para>To enumerate media bus formats available at a given sub-device
> pad -    applications initialize the <structfield>pad</structfield> and -  
>  <structfield>index</structfield> fields of &v4l2-subdev-mbus-code-enum;
> and +    applications initialize the <structfield>pad</structfield>,
> <structfield>which</structfield> +    and <structfield>index</structfield>
> fields of &v4l2-subdev-mbus-code-enum; and call the
> <constant>VIDIOC_SUBDEV_ENUM_MBUS_CODE</constant> ioctl with a pointer to
> this structure. Drivers fill the rest of the structure or return an
> &EINVAL; if either the <structfield>pad</structfield> or
> @@ -93,7 +93,12 @@
>  	  </row>
>  	  <row>
>  	    <entry>__u32</entry>
> -	    <entry><structfield>reserved</structfield>[9]</entry>
> +	    <entry><structfield>which</structfield></entry>
> +	    <entry>Media bus format codes to be enumerated, from
> &v4l2-subdev-format-whence;.</entry> +	  </row>
> +	  <row>
> +	    <entry>__u32</entry>
> +	    <entry><structfield>reserved</structfield>[8]</entry>
>  	    <entry>Reserved for future extensions. Applications and drivers must
>  	    set the array to zero.</entry>
>  	  </row>

-- 
Regards,

Laurent Pinchart

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