linux-kernel - Re: [PATCH 2/2] media: i2c: ov5640: Add support for BT656 mode

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Message-ID: <CA+V-a8sQtM8MTBgLGdZR5wm_5PkKR8X5yxeK5Xdk-ZHWYAqjvw@mail.gmail.com>
Date:   Fri, 31 Jul 2020 16:28:43 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Jacopo Mondi <jacopo@...ndi.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Steve Longerbeam <slongerbeam@...il.com>,
        linux-media <linux-media@...r.kernel.org>,
        Hugues Fruchet <hugues.fruchet@...com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 2/2] media: i2c: ov5640: Add support for BT656 mode

Hi Sakari,

Thank you for the review.

On Fri, Jul 31, 2020 at 4:23 PM Sakari Ailus
<sakari.ailus@...ux.intel.com> wrote:
>
> Hi Prabhakar,
>
> On Fri, Jul 31, 2020 at 10:24:47AM +0100, Lad Prabhakar wrote:
> > @@ -2875,8 +2891,10 @@ static int ov5640_s_stream(struct v4l2_subdev *sd, int enable)
> >
> >               if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY)
> >                       ret = ov5640_set_stream_mipi(sensor, enable);
> > -             else
> > +             else if (sensor->ep.bus_type == V4L2_MBUS_PARALLEL)
> >                       ret = ov5640_set_stream_dvp(sensor, enable);
> > +             else
> > +                     ret = ov5640_set_stream_bt656(sensor, enable);
>
> I'd also check for the Bt.656 mode here, rather than assuming it.
>
Sure will do.

> Could you also update the DT bindings, given that the sensor appears to
> support Bt.656 as well? I believe this requires the bus-type property, too.
>
Aha I ignored because this wasnt updated when DVP support was added to
the driver, but will do now.

Cheers,
Prabhakar

> >
> >               if (!ret)
> >                       sensor->streaming = enable;
>
> --
> Kind regards,
>
> Sakari Ailus