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Message-ID: <28fabdda1c9236c1733eef7224e65306d2d09ba8.camel@toradex.com>
Date: Sat, 28 Jan 2023 08:31:42 +0000
From: Marcel Ziswiler <marcel.ziswiler@...adex.com>
To: "jacopo.mondi@...asonboard.com" <jacopo.mondi@...asonboard.com>
CC: "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
"laurent.pinchart@...asonboard.com"
<laurent.pinchart@...asonboard.com>,
"kernel@...gutronix.de" <kernel@...gutronix.de>,
"slongerbeam@...il.com" <slongerbeam@...il.com>,
Aishwarya Kothari <aishwarya.kothari@...adex.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Francesco Dolcini <francesco.dolcini@...adex.com>,
"p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
"sakari.ailus@...ux.intel.com" <sakari.ailus@...ux.intel.com>,
"mchehab@...nel.org" <mchehab@...nel.org>
Subject: Re: [PATCH v1] media: i2c: ov5640: Implement get_mbus_config
Hi Jacopo
On Fri, 2023-01-27 at 18:50 +0100, Jacopo Mondi wrote:
> Hi Marcel
>
> On Fri, Jan 27, 2023 at 04:12:44PM +0100, Marcel Ziswiler wrote:
> > From: Aishwarya Kothari <aishwarya.kothari@...adex.com>
> >
> > Implement the introduced get_mbus_config operation to report the
> > number of used data lanes on the MIPI CSI-2 interface.
> >
>
> OV5640 can operate in parallel mode too.
I admit, we totally neglected this.
> You can check how it currently configured with ov5640_is_csi2() and
> populate struct v4l2_mbus_config accordingly.
Makes sense. Let us incorporate this in a v2.
> Thanks
> j
Thank you!
Cheers
Marcel
> > Signed-off-by: Aishwarya Kothari <aishwarya.kothari@...adex.com>
> > Signed-off-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
> >
> > ---
> >
> > drivers/media/i2c/ov5640.c | 14 ++++++++++++++
> > 1 file changed, 14 insertions(+)
> >
> > diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
> > index e0f908af581b..42d43f0d1e1c 100644
> > --- a/drivers/media/i2c/ov5640.c
> > +++ b/drivers/media/i2c/ov5640.c
> > @@ -3733,6 +3733,19 @@ static int ov5640_init_cfg(struct v4l2_subdev *sd,
> > return 0;
> > }
> >
> > +static int ov5640_get_mbus_config(struct v4l2_subdev *sd,
> > + unsigned int pad,
> > + struct v4l2_mbus_config *cfg)
> > +{
> > + struct ov5640_dev *sensor = to_ov5640_dev(sd);
> > +
> > + cfg->type = V4L2_MBUS_CSI2_DPHY;
> > + cfg->bus.mipi_csi2.num_data_lanes = sensor->ep.bus.mipi_csi2.num_data_lanes;
> > + cfg->bus.mipi_csi2.flags = 0;
> > +
> > + return 0;
> > +}
> > +
> > static const struct v4l2_subdev_core_ops ov5640_core_ops = {
> > .log_status = v4l2_ctrl_subdev_log_status,
> > .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
> > @@ -3753,6 +3766,7 @@ static const struct v4l2_subdev_pad_ops ov5640_pad_ops = {
> > .get_selection = ov5640_get_selection,
> > .enum_frame_size = ov5640_enum_frame_size,
> > .enum_frame_interval = ov5640_enum_frame_interval,
> > + .get_mbus_config = ov5640_get_mbus_config,
> > };
> >
> > static const struct v4l2_subdev_ops ov5640_subdev_ops = {
> > --
> > 2.36.1
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