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iio: light: ltrf216a: Return floating point values

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For better precision of input light intesity, return floating point
values through sysfs instead of an integer value

Signed-off-by: Shreeya Patel <shreeya.patel@collabora.com>
Link: https://lore.kernel.org/r/20231107192005.285534-1-shreeya.patel@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Shreeya Patel 2023-11-08 00:50:05 +05:30 committed by Jonathan Cameron
parent 39dac9d051
commit 00799564ba
1 changed files with 5 additions and 5 deletions
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10
drivers/iio/light/ltrf216a.c
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@ -234,7 +234,7 @@ static int ltrf216a_read_data(struct ltrf216a_data *data, u8 addr)
static int ltrf216a_get_lux(struct ltrf216a_data *data)
{
int ret, greendata;
u64 lux, div;
u64 lux;
ret = ltrf216a_set_power_state(data, true);
if (ret)
@ -246,10 +246,9 @@ static int ltrf216a_get_lux(struct ltrf216a_data *data)
ltrf216a_set_power_state(data, false);
lux = greendata * 45 * LTRF216A_WIN_FAC * 100;
div = data->als_gain_fac * data->int_time_fac * 100;
lux = greendata * 45 * LTRF216A_WIN_FAC;
return div_u64(lux, div);
return lux;
}
static int ltrf216a_read_raw(struct iio_dev *indio_dev,
@ -279,7 +278,8 @@ static int ltrf216a_read_raw(struct iio_dev *indio_dev,
if (ret < 0)
return ret;
*val = ret;
return IIO_VAL_INT;
*val2 = data->als_gain_fac * data->int_time_fac;
return IIO_VAL_FRACTIONAL;
case IIO_CHAN_INFO_INT_TIME:
mutex_lock(&data->lock);
ret = ltrf216a_get_int_time(data, val, val2);