iio: adc: stm32-dfsdm: fix triggered buffer build dependency

This fixes build errors seen when CONFIG_STM32_DFSDM_ADC is set, as
stm32-dfsdm-adc driver now also relies on triggered buffer API:

Fixes: 11646e81d775 ("iio: adc: stm32-dfsdm: add support for buffer modes")

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 2896509..2036eca 100644 (file)
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -823,6 +823,7 @@ config STM32_DFSDM_ADC
        select REGMAP_MMIO
        select IIO_BUFFER
        select IIO_BUFFER_HW_CONSUMER
+       select IIO_TRIGGERED_BUFFER
        help
          Select this option to support ADCSigma delta modulator for
          STMicroelectronics STM32 digital filter for sigma delta converter.