[PATCH 3/4] iio: adc: stm32-dfsdm: use resolution define

[Olivier Moysan]

Use resolution define instead of hard coded value.

Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxx>
---
 drivers/iio/adc/stm32-dfsdm-adc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index 2aad2cda6943..07b9dfdf8e76 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -1440,7 +1440,7 @@ static int stm32_dfsdm_adc_chan_init_one(struct iio_dev *indio_dev,
 		ch->scan_type.shift = 8;
 	}
 	ch->scan_type.sign = 's';
-	ch->scan_type.realbits = 24;
+	ch->scan_type.realbits = DFSDM_DATA_RES;
 	ch->scan_type.storagebits = 32;
 
 	return stm32_dfsdm_chan_configure(adc->dfsdm,
-- 
2.17.1