From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Jacopo Mondi <jacopo@jmondi.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
"open list:MEDIA INPUT INFRASTRUCTURE (V4L/DVB)"
<linux-media@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [RFC 2/5] media: v4l2-ctrl: Document V4L2_CID_LOCATION
Date: Thu, 15 Aug 2019 01:43:40 +0300 [thread overview]
Message-ID: <20190814224340.GD5015@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20190814202815.32491-3-jacopo@jmondi.org>
Hi Jacopo,
Thank you for the patch.
On Wed, Aug 14, 2019 at 10:28:12PM +0200, Jacopo Mondi wrote:
> Add documentation for the V4L2_CID_LOCATION camera control. The newly
> added read-only control reports the camera device mounting position.
>
> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
> ---
> .../media/uapi/v4l/ext-ctrls-camera.rst | 23 +++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/Documentation/media/uapi/v4l/ext-ctrls-camera.rst b/Documentation/media/uapi/v4l/ext-ctrls-camera.rst
> index 51c1d5c9eb00..fc0a02eee6d4 100644
> --- a/Documentation/media/uapi/v4l/ext-ctrls-camera.rst
> +++ b/Documentation/media/uapi/v4l/ext-ctrls-camera.rst
> @@ -510,6 +510,29 @@ enum v4l2_scene_mode -
> value down. A value of zero stops the motion if one is in progress
> and has no effect otherwise.
>
> +``V4L2_CID_LOCATION (integer)``
Maybe V4L2_CID_CAMERA_SENSOR_LOCATION ? Same for the values below.
> + This read-only control describes the camera location by reporting its
Here too I would mention camera sensor instead of just camera (or
possibly imaging sensor).
> + mounting position on the device where the camera is installed. This
> + control is particularly meaningful for devices which have a well defined
> + orientation, such as phones, laptops and portable devices as the camera
> + location is expressed as a position relative to the device intended
> + usage position. In example, a camera installed on the user-facing side
> + of a phone device is said to be installed in the ``V4L2_LOCATION_FRONT``
> + position.
The DT bindings could use such an example :-) I would extend this to
tablets and laptops.
> +
> +
> +
Do we need three blank lines ?
> +.. flat-table::
> + :header-rows: 0
> + :stub-columns: 0
> +
> + * - ``V4L2_LOCATION_FRONT``
> + - The camera device is located on the front side of the device.
> + * - ``V4L2_LOCATION_BACK``
> + - The camera device is located on the back side of the device.
> +
> +
> +
> .. [#f1]
> This control may be changed to a menu control in the future, if more
> options are required.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2019-08-14 22:43 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-14 20:28 [RFC 0/5] media: v4l2-ctrls: Add camera 'location' support Jacopo Mondi
2019-08-14 20:28 ` [RFC 1/5] media: dt-bindings: Document 'location' property Jacopo Mondi
2019-08-14 22:40 ` Laurent Pinchart
2019-08-15 6:56 ` Sakari Ailus
2019-08-15 12:55 ` Laurent Pinchart
2019-08-15 12:55 ` Jacopo Mondi
2019-08-15 12:58 ` Laurent Pinchart
2019-09-01 17:24 ` Pavel Machek
2019-09-02 8:02 ` Laurent Pinchart
2019-09-02 8:11 ` Pavel Machek
2019-08-14 20:28 ` [RFC 2/5] media: v4l2-ctrl: Document V4L2_CID_LOCATION Jacopo Mondi
2019-08-14 22:43 ` Laurent Pinchart [this message]
2019-08-15 12:58 ` Jacopo Mondi
2019-08-15 14:10 ` Hans Verkuil
2019-08-15 14:14 ` Hans Verkuil
2019-08-15 14:34 ` Jacopo Mondi
2019-08-15 14:40 ` Hans Verkuil
2019-08-15 15:12 ` Sakari Ailus
2019-09-01 17:24 ` Pavel Machek
2019-09-02 8:00 ` Laurent Pinchart
2019-09-02 8:06 ` Pavel Machek
2019-09-02 8:19 ` Laurent Pinchart
2019-09-02 8:27 ` Pavel Machek
2019-09-02 8:53 ` Laurent Pinchart
2019-09-02 9:41 ` Jacopo Mondi
2019-08-15 7:00 ` Sakari Ailus
2019-08-15 12:59 ` Laurent Pinchart
2019-08-15 13:08 ` Sakari Ailus
2019-08-15 13:10 ` Laurent Pinchart
2019-08-15 13:15 ` Sakari Ailus
2019-08-15 13:19 ` Laurent Pinchart
2019-08-15 13:30 ` Hans Verkuil
2019-08-15 13:48 ` Laurent Pinchart
2019-08-15 14:02 ` Jacopo Mondi
2019-08-14 20:28 ` [RFC 3/5] media: v4l2-ctrls: Add support for V4L2_CID_LOCATION Jacopo Mondi
2019-08-14 22:53 ` Laurent Pinchart
2019-08-15 13:02 ` Jacopo Mondi
2019-08-15 13:03 ` Laurent Pinchart
2019-08-15 13:41 ` Hans Verkuil
2019-08-15 13:50 ` Jacopo Mondi
2019-08-15 14:12 ` Hans Verkuil
2019-08-15 13:23 ` Hans Verkuil
2019-08-15 13:50 ` Jacopo Mondi
2019-08-14 20:28 ` [RFC 4/5] media: i2c: ov5670: Report the camera location Jacopo Mondi
2019-08-14 23:03 ` Laurent Pinchart
2019-08-15 7:04 ` Sakari Ailus
2019-08-14 20:28 ` [RFC 5/5] media: i2c: ov13858: " Jacopo Mondi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190814224340.GD5015@pendragon.ideasonboard.com \
--to=laurent.pinchart@ideasonboard.com \
--cc=hverkuil-cisco@xs4all.nl \
--cc=jacopo@jmondi.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=mchehab@kernel.org \
--cc=sakari.ailus@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).