linux-kernel - Re: [PATCH 1/9] media: docs: v4l2-controls: fix sentence rendered in a nonsense way

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Date:   Fri, 14 Jun 2019 09:14:28 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Luca Ceresoli <luca@...aceresoli.net>, linux-media@...r.kernel.org
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH 1/9] media: docs: v4l2-controls: fix sentence rendered in
 a nonsense way

On 6/13/19 4:18 PM, Luca Ceresoli wrote:
> This sentence renders as:
> 
>> Since such compound controls need to expose more information about
>> themselves than is possible with ioctls VIDIOC_QUERYCTRL,
>> VIDIOC_QUERY_EXT_CTRL and VIDIOC_QUERYMENU the VIDIOC_QUERY_EXT_CTRL
>   ^^^^^^^^^^^^^^^^^^^^^                          ^^^^^^^^^^^^^^^^^^^^^
>> ioctl was added.
> 
> This does not make sense. Fix by providing an explicit link text. This
> results in:
> 
>> Since such compound controls need to expose more information about
>> themselves than is possible with VIDIOC_QUERYCTRL and VIDIOC_QUERYMENU
>> the VIDIOC_QUERY_EXT_CTRL ioctl was added.
> 
> Signed-off-by: Luca Ceresoli <luca@...aceresoli.net>
> ---
>  Documentation/media/uapi/v4l/extended-controls.rst | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst
> index 24274b398e63..0968aa9cd167 100644
> --- a/Documentation/media/uapi/v4l/extended-controls.rst
> +++ b/Documentation/media/uapi/v4l/extended-controls.rst
> @@ -86,7 +86,7 @@ with compound types should only be used programmatically.
>  
>  Since such compound controls need to expose more information about
>  themselves than is possible with
> -:ref:`VIDIOC_QUERYCTRL` the
> +:ref:`VIDIOC_QUERYCTRL and VIDIOC_QUERYMENU <VIDIOC_QUERYCTRL>` the

This should just refer to VIDIOC_QUERYCTRL, not QUERYMENU. So this
becomes: :ref:`VIDIOC_QUERYCTRL <VIDIOC_QUERYCTRL>`

Regards,

	Hans

>  :ref:`VIDIOC_QUERY_EXT_CTRL <VIDIOC_QUERYCTRL>` ioctl was added. In
>  particular, this ioctl gives the dimensions of the N-dimensional array
>  if this control consists of more than one element.
>