From: Arnd Bergmann <arnd@xxxxxxxx> The new driver fails to build if I2C is disabled: drivers/media/i2c/lt6911uxe.c:703:1: error: data definition has no type or storage class [-Werror] 703 | module_i2c_driver(lt6911uxe_i2c_driver); or if I2C is on but V4L2_CCI_I2C is not: ERROR: modpost: "cci_write" [drivers/media/i2c/lt6911uxe.ko] undefined! ERROR: modpost: "cci_read" [drivers/media/i2c/lt6911uxe.ko] undefined! For both by adding a dependency on I2C and selecting V4L2_CCI_I2C, which follows the common practice for these. Fixes: e49563c3be09 ("media: i2c: add lt6911uxe hdmi bridge driver") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/media/i2c/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index e576b213084d..b06365d02ef1 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -1149,8 +1149,9 @@ config VIDEO_ISL7998X config VIDEO_LT6911UXE tristate "Lontium LT6911UXE decoder" - depends on ACPI && VIDEO_DEV + depends on ACPI && VIDEO_DEV && I2C select V4L2_FWNODE + select V4L2_CCI_I2C help This is a Video4Linux2 sensor-level driver for the Lontium LT6911UXE HDMI to MIPI CSI-2 bridge. -- 2.39.5