linux-kernel - Re: [PATCH] uvcvideo: Remo OBSBOT quirk fix for incorrect relative min pan/tilt/zoom speeds

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Date: Tue, 26 Mar 2024 03:25:46 +0100
From: Gergo Koteles <soyer@....hu>
To: John Bauer <john@....co>
Cc: johnebgood@...uritylive.com,
  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, ribalda@...omium.org
Subject: Re: [PATCH] uvcvideo: Remo OBSBOT quirk fix for incorrect relative
 min pan/tilt/zoom speeds

Hi John,

On Mon, 2024-03-25 at 20:51 -0500, John Bauer wrote:
> I understand this patch might not be the ideal or proper solution; but it works. I don't think the UVC
> implementation can be trusted on these cameras, just like the Windows DirectShow implementation is off. 
> I put this patch out there as I have encountered many Linux users who are struggling to get proper 
> control of these awesome cameras. If the patch dies here for now, that's OK, at least there's a possible 
> patch for those in need.

Sorry, maybe I didn't phrase it well. Based on the UVC specs, I think
your patch is good for all UVC PTZ cameras, so you don't need to use
UVC_QUIRK_OBSBOT_MIN_SETTINGS quirk entry, just apply the quirk changes
to all cameras.

Thanks for doing this!

Regards,
Gergo