[PATCH] iio: chemical: sps30: fix missing triggered buffer dependency

[Petr Åtetiar]

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@xxxxxxxxxxxxxxx
Fixes: 232e0f6ddeae ("iio: chemical: add support for Sensirion SPS30 sensor")
Signed-off-by: Petr Åtetiar <ynezz@xxxxxxx>
---
 drivers/iio/chemical/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig
index 0b91de4df8f4..a7e65a59bf42 100644
--- 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.