[PATCH v13 06/11] iio: afe: rescale: make use of units.h

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Make use of well-defined SI metric prefixes to improve code readability.

Signed-off-by: Liam Beguin <liambeguin@xxxxxxxxx>
---
 drivers/iio/afe/iio-rescale.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c
index 67273de46843..27c6664915ff 100644
--- a/drivers/iio/afe/iio-rescale.c
+++ b/drivers/iio/afe/iio-rescale.c
@@ -51,11 +51,11 @@ int rescale_process_scale(struct rescale *rescale, int scale_type,
 		}
 		fallthrough;
 	case IIO_VAL_FRACTIONAL_LOG2:
-		tmp = (s64)*val * 1000000000LL;
+		tmp = (s64)*val * GIGA;
 		tmp = div_s64(tmp, rescale->denominator);
 		tmp *= rescale->numerator;
 
-		tmp = div_s64_rem(tmp, 1000000000LL, &rem);
+		tmp = div_s64_rem(tmp, GIGA, &rem);
 		*val = tmp;
 
 		if (!rem)
@@ -71,7 +71,7 @@ int rescale_process_scale(struct rescale *rescale, int scale_type,
 
 		*val2 = rem / (int)tmp;
 		if (rem2)
-			*val2 += div_s64((s64)rem2 * 1000000000LL, tmp);
+			*val2 += div_s64((s64)rem2 * GIGA, tmp);
 
 		return IIO_VAL_INT_PLUS_NANO;
 	case IIO_VAL_INT_PLUS_NANO:
@@ -332,8 +332,8 @@ static int rescale_current_sense_amplifier_props(struct device *dev,
 	 * gain_div / (gain_mult * sense), while trying to keep the
 	 * numerator/denominator from overflowing.
 	 */
-	factor = gcd(sense, 1000000);
-	rescale->numerator = 1000000 / factor;
+	factor = gcd(sense, MEGA);
+	rescale->numerator = MEGA / factor;
 	rescale->denominator = sense / factor;
 
 	factor = gcd(rescale->numerator, gain_mult);
@@ -361,8 +361,8 @@ static int rescale_current_sense_shunt_props(struct device *dev,
 		return ret;
 	}
 
-	factor = gcd(shunt, 1000000);
-	rescale->numerator = 1000000 / factor;
+	factor = gcd(shunt, MEGA);
+	rescale->numerator = MEGA / factor;
 	rescale->denominator = shunt / factor;
 
 	return 0;
-- 
2.35.1.4.g5d01301f2b86




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux