This driver makes use of triggered buffers, but does not select the required modules. Add the missing 'select IIO_BUFFER' and 'select IIO_TRIGGERED_BUFFER'. Fixes: 41ff93d14f78 ("iio: light: ROHM BU27008 color sensor") Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx> Acked-by: Matti Vaittinen <mazziesaccount@xxxxxxxxx> Link: https://patch.msgid.link/20241003-iio-select-v1-10-67c0385197cd@xxxxxxxxx Cc: <Stable@xxxxxxxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- drivers/iio/light/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig index 515ff46b5b82..f2f3e414849a 100644 --- a/drivers/iio/light/Kconfig +++ b/drivers/iio/light/Kconfig @@ -335,6 +335,8 @@ config ROHM_BU27008 depends on I2C select REGMAP_I2C select IIO_GTS_HELPER + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help Enable support for the ROHM BU27008 color sensor. The ROHM BU27008 is a sensor with 5 photodiodes (red, green, -- 2.47.0