linux-kernel - Re: [PATCH v3] media: uvcvideo: Enable Intel RealSense metadata for devices.

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Message-ID: <7fe1b7ab73842ad8ee430cb171b6a59e3d6003bb.camel@intel.com>
Date:   Thu, 20 Apr 2023 14:26:53 +0300
From:   Dmitry Perchanov <dmitry.perchanov@...el.com>
To:     Sakari Ailus <sakari.ailus@....fi>
Cc:     linux-media@...r.kernel.org, laurent.pinchart@...asonboard.com,
        mchehab@...nel.org, linux-kernel@...r.kernel.org,
        evgeni.raikhel@...el.com, demisrael@...il.com
Subject: Re: [PATCH v3] media: uvcvideo: Enable Intel RealSense metadata for
 devices.

Hi Sakari,

On Thu, 2023-04-20 at 12:24 +0300, Sakari Ailus wrote:
> Hi Dmitry,
> 
> On Thu, Apr 20, 2023 at 12:06:55PM +0300, Dmitry Perchanov wrote:
> > Intel RealSense UVC Depth cameras produce metadata in a
> > vendor-specific format that is already supported by the uvcvideo driver.
> > Enable handling of this metadata for 7 additional RealSense devices.
> > 
> > Co-developed-by: Yu MENG <yu1.meng@...el.com>
> > Co-developed-by: Evgeni Raikhel <evgeni.raikhel@...el.com>
> > Signed-off-by: Dmitry Perchanov <dmitry.perchanov@...el.com>
> 
> Thanks for the update.
> 
> Is the D4XX format on these devices the same that's documented in
> Documentation/userspace-api/media/v4l/pixfmt-meta-d4xx.rst ? I.e. there are
> no additional fields or differences, and the version of the format is the
> same?
We verified the document and found it generally correct.
Although, we expanded number of fields and I can update this document.
> 
> The format documentation doesn't say which version number even the current
> devices use (just refers to "xxx").
The document compatible with all D4xx/D5xx devices so far.
We dropped all obsolete incompatible cameras from support.
> 

Should I submit another patch with extended structures?

Regards,
Dmitry P.

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