Hi Jacopo, Thank you for the patch. On Tue, Apr 30, 2024 at 12:39:50PM +0200, Jacopo Mondi wrote: > Implement the .get_mbus_config() operation to allow the remote receiver > to retrieve the bus configuration. > > Signed-off-by: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx> This looks good to me, but I expect changes in v2 to address the comments on 13/19, so I won't add a R-b tag yet. > --- > drivers/media/i2c/max9286.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c > index 0e08a1041eed..a71f0aabd67d 100644 > --- a/drivers/media/i2c/max9286.c > +++ b/drivers/media/i2c/max9286.c > @@ -1072,6 +1072,20 @@ static int max9286_set_fmt(struct v4l2_subdev *sd, > return ret; > } > > +static int max9286_get_mbus_config(struct v4l2_subdev *sd, unsigned int pad, > + struct v4l2_mbus_config *config) > +{ > + struct max9286_priv *priv = sd_to_max9286(sd); > + > + if (pad != MAX9286_SRC_PAD) > + return -EINVAL; > + > + config->type = V4L2_MBUS_CSI2_DPHY; > + config->bus.mipi_csi2.num_data_lanes = priv->csi2_data_lanes; > + > + return 0; > +} > + > static int max9286_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, > struct v4l2_mbus_frame_desc *fd) > { > @@ -1127,6 +1141,7 @@ static const struct v4l2_subdev_pad_ops max9286_pad_ops = { > .enum_mbus_code = max9286_enum_mbus_code, > .get_fmt = v4l2_subdev_get_fmt, > .set_fmt = max9286_set_fmt, > + .get_mbus_config = max9286_get_mbus_config, > .get_frame_interval = v4l2_subdev_get_frame_interval, > .set_frame_interval = max9286_set_frame_interval, > .get_frame_desc = max9286_get_frame_desc, -- Regards, Laurent Pinchart