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-rw-r--r--drivers/iio/pressure/st_pressure_core.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index 9c343b40665e..3ffbc56917b4 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -28,7 +28,9 @@
#include <linux/iio/common/st_sensors.h>
#include "st_pressure.h"
-#define ST_PRESS_MBAR_TO_KPASCAL(x) (x * 10)
+#define ST_PRESS_LSB_PER_MBAR 4096UL
+#define ST_PRESS_KPASCAL_NANO_SCALE (100000000UL / \
+ ST_PRESS_LSB_PER_MBAR)
#define ST_PRESS_NUMBER_DATA_CHANNELS 1
/* DEFAULT VALUE FOR SENSORS */
@@ -51,8 +53,8 @@
#define ST_PRESS_1_FS_ADDR 0x23
#define ST_PRESS_1_FS_MASK 0x30
#define ST_PRESS_1_FS_AVL_1260_VAL 0x00
-#define ST_PRESS_1_FS_AVL_1260_GAIN ST_PRESS_MBAR_TO_KPASCAL(244141)
#define ST_PRESS_1_FS_AVL_TEMP_GAIN 2083000
+#define ST_PRESS_1_FS_AVL_1260_GAIN ST_PRESS_KPASCAL_NANO_SCALE
#define ST_PRESS_1_BDU_ADDR 0x20
#define ST_PRESS_1_BDU_MASK 0x04
#define ST_PRESS_1_DRDY_IRQ_ADDR 0x22