linux-kernel - Re: [PATCHv5 0/5] media: uvcvideo: implement UVC 1.5 ROI

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Message-ID: <YLXz+r8PkKx1VMVc@google.com>
Date:   Tue, 1 Jun 2021 17:46:50 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Ricardo Ribalda <ribalda@...omium.org>,
        Tomasz Figa <tfiga@...omium.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv5 0/5] media: uvcvideo: implement UVC 1.5 ROI

On (21/05/26 12:38), Hans Verkuil wrote:
> Hi Sergey,
> 
> On 01/05/2021 10:19, Sergey Senozhatsky wrote:
> > Hello,
> > 
> > 	This patch set implements UVC 1.5 ROI using v4l2_selection API.
> > 
> > v5:
> > -- fixed UAPI typo: STABILIXATION
> > -- moved V4L2_CID_REGION_OF_INTEREST_AUTO to V4L2_CID_CAMERA_CLASS_BASE+36
> > -- added more comments (Ricardo)
> > -- added V4L2_CID_REGION_OF_INTEREST_AUTO to v4l2_ctrl_get_name() (Ricardo)
> > 
> > Sergey Senozhatsky (5):
> >   media: v4l UAPI: add ROI selection targets
> 
> As mentioned in my reply to v4 0/5, I am quite strongly opposed to using the
> Selection API for this as opposed to using controls. Unless someone can provide
> strong arguments for using the Selection API, I am inclined to reject this.
> 
> Sorry about that, I probably should have been reviewing this series sooner.

Hans, any suggestions regarding the UVCs GET_CUR, GET_DEF, GET_MIN/MAX
requests handling?