Once the CSI-2 subdevice of the ADV748X becomes aware of multiplexed streams the format of the source pad is of no value as it carries multiple streams. Prepare for this by explicitly denying setting a format on anything but the sink pad. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx> --- drivers/media/i2c/adv748x/adv748x-csi2.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c index b759a7e22fbc98df..9f736da2ad60160f 100644 --- a/drivers/media/i2c/adv748x/adv748x-csi2.c +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c @@ -172,6 +172,9 @@ static int adv748x_csi2_get_format(struct v4l2_subdev *sd, struct adv748x_state *state = tx->state; struct v4l2_mbus_framefmt *mbusformat; + if (sdformat->pad != ADV748X_CSI2_SINK) + return -EINVAL; + mbusformat = adv748x_csi2_get_pad_format(sd, cfg, sdformat->pad, sdformat->which); if (!mbusformat) @@ -195,6 +198,9 @@ static int adv748x_csi2_set_format(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mbusformat; int ret = 0; + if (sdformat->pad != ADV748X_CSI2_SINK) + return -EINVAL; + mbusformat = adv748x_csi2_get_pad_format(sd, cfg, sdformat->pad, sdformat->which); if (!mbusformat) -- 2.18.0
