linux-kernel - Re: [PATCH] media: uvcvideo: UVC minimum relative pan/tilt/zoom speed fix.

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Date: Tue, 26 Mar 2024 17:56:33 +0100
From: Gergo Koteles <soyer@....hu>
To: Ricardo Ribalda <ribalda@...omium.org>,
  johnebgood@...uritylive.com
Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>,
  Mauro Carvalho Chehab <mchehab@...nel.org>,
  linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
  linh.tp.vu@...il.com
Subject: Re: [PATCH] media: uvcvideo: UVC minimum relative pan/tilt/zoom
 speed fix.

Hi Ricardo,

On Tue, 2024-03-26 at 15:22 +0100, Ricardo Ribalda wrote:
> Thanks for your patch. If we confirm that there are no devices with
> ranges [-A,B], with A!=B, then it looks like the way to go
> 

I tried looking for a device that has different speeds for the
positive/negative directions. I couldn't find any with the search
engines.

But I found that the Jabra Panacast (which is an "ePTZ" camera) needs
this patch also, it has the following controls:

pan_speed 0x009a0920 (int): min=0 max=10 step=1 default=5 value=0
tilt_speed 0x009a0921 (int): min=0 max=10 step=1 default=5 value=0

Regards,
Gergo