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-rw-r--r--driver/accel_bma4xx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/driver/accel_bma4xx.c b/driver/accel_bma4xx.c
index e9502c20b4..9b383edf80 100644
--- a/driver/accel_bma4xx.c
+++ b/driver/accel_bma4xx.c
@@ -339,7 +339,7 @@ static int get_offset(const struct motion_sensor_t *s, int16_t *offset,
}
if (val > 0x7f)
- val -= -256;
+ val -= 256;
v[i] = round_divide((int64_t)val * BMA4_OFFSET_ACC_MULTI_MG,
BMA4_OFFSET_ACC_DIV_MG);