In order to get the v4l2_subdev functions you need to select
MEDIA_CONTROLLER and VIDEO_V4L2_SUBDEV_API.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202503151002.HacBN2LO-lkp@intel.com/
Fixes: e49563c3be09 ("media: i2c: add lt6911uxe hdmi bridge driver")
depends on ACPI && VIDEO_DEV && I2C
select V4L2_FWNODE
select V4L2_CCI_I2C
+ select MEDIA_CONTROLLER
+ select VIDEO_V4L2_SUBDEV_API
help
This is a Video4Linux2 sensor-level driver for the Lontium
LT6911UXE HDMI to MIPI CSI-2 bridge.