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Message-ID: <20230803223034.GH9722@pendragon.ideasonboard.com>
Date: Fri, 4 Aug 2023 01:30:34 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Julien Stephan <jstephan@...libre.com>
Cc: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Phi-bang Nguyen <pnguyen@...libre.com>,
Florian Sylvestre <fsylvestre@...libre.com>,
Alexander Gordeev <agordeev@...ux.ibm.com>,
Andy Hsieh <andy.hsieh@...iatek.com>,
Conor Dooley <conor+dt@...nel.org>,
daoyuan huang <daoyuan.huang@...iatek.com>,
devicetree@...r.kernel.org,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-mediatek@...ts.infradead.org, linux-media@...r.kernel.org,
Louis Kuo <louis.kuo@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Moudy Ho <moudy.ho@...iatek.com>,
Ping-Hsun Wu <ping-hsun.wu@...iatek.com>,
Rob Herring <robh+dt@...nel.org>,
Vasily Gorbik <gor@...ux.ibm.com>
Subject: Re: [PATCH v2 4/4] media: platform: mediatek: isp_30: add mediatek
ISP3.0 camsv
On Thu, Aug 03, 2023 at 11:53:35AM +0200, Julien Stephan wrote:
> On Mon, Jul 03, 2023 at 02:21:17PM +0200, AngeloGioacchino Del Regno wrote:
> ..snip..
> > > +
> > > + mtk_cam_init_cfg(&cam->subdev, NULL);
> >
> > mtk_cam_init_cfg() returns an integer, and this is probably because you expect
> > it to get logic to fail: in that case, check the result of that call here,
> > otherwise, make that function void.
> >
>
> Hi Angelo,
>
> mtk_cam_init_cfg returns an int because it should match v4l2_subdev_pad_ops->init_cfg prototype..
>
> mtk_cam_init does not fail, always return 0, so I though it would be ok
> to discard the return value here. What do you think?
Fine with me.
> > > +
>
> ..snip..
>
> > > + unsigned int bpp;
> >
> > Can we get any format that uses a billion bits per pixel? :-P
> >
> > u8 bpp;
>
> I am preparing the driver for futur upgrades.. in a billion years ;)
--
Regards,
Laurent Pinchart
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