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path: root/drivers/iio/light/tsl2583.c
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Diffstat (limited to 'drivers/iio/light/tsl2583.c')
-rw-r--r--drivers/iio/light/tsl2583.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/iio/light/tsl2583.c b/drivers/iio/light/tsl2583.c
index 9e5490b7473b..0f787bfc88fc 100644
--- a/drivers/iio/light/tsl2583.c
+++ b/drivers/iio/light/tsl2583.c
@@ -285,7 +285,7 @@ static int tsl2583_get_lux(struct iio_dev *indio_dev)
lux64 = lux64 * chip->als_settings.als_gain_trim;
lux64 >>= 13;
lux = lux64;
- lux = (lux + 500) / 1000;
+ lux = DIV_ROUND_CLOSEST(lux, 1000);
if (lux > TSL2583_LUX_CALC_OVER_FLOW) { /* check for overflow */
return_max:
@@ -361,12 +361,12 @@ static int tsl2583_set_als_time(struct tsl2583_chip *chip)
u8 val;
/* determine als integration register */
- als_count = (chip->als_settings.als_time * 100 + 135) / 270;
+ als_count = DIV_ROUND_CLOSEST(chip->als_settings.als_time * 100, 270);
if (!als_count)
als_count = 1; /* ensure at least one cycle */
/* convert back to time (encompasses overrides) */
- als_time = (als_count * 27 + 5) / 10;
+ als_time = DIV_ROUND_CLOSEST(als_count * 27, 10);
val = 256 - als_count;
ret = i2c_smbus_write_byte_data(chip->client,
@@ -380,7 +380,7 @@ static int tsl2583_set_als_time(struct tsl2583_chip *chip)
/* set chip struct re scaling and saturation */
chip->als_saturation = als_count * 922; /* 90% of full scale */
- chip->als_time_scale = (als_time + 25) / 50;
+ chip->als_time_scale = DIV_ROUND_CLOSEST(als_time, 50);
return ret;
}