media: imx6-mipi-csi2: Call remote subdev get_mbus_config to get active lanes
Currently, the CSI2 subdevice is using the data-lanes from the neareast endpoint to config the CSI2 lanes. While this may work, the proper way to configure the hardware is to obtain the remote subdevice in v4l2_async_notifier_operations.bound(), and then call get_mbus_config using the remote subdevice to get the active lanes. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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