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@xxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202503151002.HacBN2LO-lkp@xxxxxxxxx/ Fixes: e49563c3be09 ("media: i2c: add lt6911uxe hdmi bridge driver") --- drivers/media/i2c/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index b06365d02ef1..e45ba127069f 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -1152,6 +1152,8 @@ config VIDEO_LT6911UXE 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. -- 2.47.2
