linux-kernel - Re: [PATCH] media: i2c: ov5645: Add virtual

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Date:   Tue, 10 Mar 2020 11:17:10 +0000
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        linux-media <linux-media@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Jacopo Mondi <jacopo@...ndi.org>
Subject: Re: [PATCH] media: i2c: ov5645: Add virtual_channel module parameter

Hi Sakari,

On Fri, Mar 6, 2020 at 10:18 AM Lad, Prabhakar
<prabhakar.csengg@...il.com> wrote:
>
> Hi Sakari,
>
> On Thu, Mar 5, 2020 at 11:43 AM Sakari Ailus
> <sakari.ailus@...ux.intel.com> wrote:
> >
> > Hi Prabhakar,
> >
> > On Fri, Feb 28, 2020 at 04:41:26PM +0000, Lad Prabhakar wrote:
> > > OV5645 can operate in virtual channel 0-3 in CSI2 interfaces, this patch
> > > adds support for module parameter virtual_channel to select the required
> > > channel. By default OV5645 operates in virtual channel 0.
> >
> > What's your use case for different virtual channels?
> >
> Just ability to switch to different virtual channel, based on ov5640
> driver. The rcar-csi2
> has capability to capture  from multiple channels so that we can
> capture simultaneously
> from two sensors.
>
Any thoughts on how this could be handled ?

Cheers,
--Prabhakar