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    SubjectRe: [PATCH v1] media: i2c: ov5640: Implement get_mbus_config
    Hi Marcel

    On Fri, Jan 27, 2023 at 04:12:44PM +0100, Marcel Ziswiler wrote:
    > From: Aishwarya Kothari <aishwarya.kothari@toradex.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.

    You can check how it currently configured with ov5640_is_csi2() and
    populate struct v4l2_mbus_config accordingly.

    Thanks
    j

    > Signed-off-by: Aishwarya Kothari <aishwarya.kothari@toradex.com>
    > Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.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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