diff options
Diffstat (limited to 'drivers/iio/light/tsl2583.c')
| -rw-r--r-- | drivers/iio/light/tsl2583.c | 8 |
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; } |