diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index e4eeebac52978c6c3188491a43273299ffb094a5..57625653fcb6da69c67fbe381f7ac3e805adcf4f 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -158,6 +158,7 @@ config AT91_SAMA5D2_ADC
 	tristate "Atmel AT91 SAMA5D2 ADC"
 	depends on ARCH_AT91 || COMPILE_TEST
 	depends on HAS_IOMEM
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say yes here to build support for Atmel SAMA5D2 ADC which is
 	  available on SAMA5D2 SoC family.