Implement the .get_mbus_config() operation to allow the remote receiver to retrieve the bus configuration. Signed-off-by: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx> --- 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, -- 2.44.0