iio: chemical: sps30: fix missing triggered buffer dependency

SPS30 uses triggered buffer, but the dependency is not specified in the
Kconfig file.  Fix this by selecting IIO_BUFFER and IIO_TRIGGERED_BUFFER
config symbols.

Cc: stable@vger.kernel.org
Fixes: 232e0f6ddeae ("iio: chemical: add support for Sensirion SPS30 sensor")
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig
index 0b91de4..a7e65a5 100644 (file)
--- a/drivers/iio/chemical/Kconfig
+++ b/drivers/iio/chemical/Kconfig
@@ -91,6 +91,8 @@ config SPS30
        tristate "SPS30 particulate matter sensor"
        depends on I2C
        select CRC8
+       select IIO_BUFFER
+       select IIO_TRIGGERED_BUFFER
        help
          Say Y here to build support for the Sensirion SPS30 particulate
          matter sensor.