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drivers:iio:light:isl29125: added macros for sensing range

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Added macros for sensing range as the corresponding magic numbers
were used at multiple places.
   - ISL29125_SENSING_RANGE_0 for 375 lux full range
   - ISL29125_SENSING_RANGE_1 for 10k lux full range

Signed-off-by: Bijosh Thykkoottathil <bijosh.t@hotmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Bijosh Thykkoottathil 2016-06-27 15:37:41 +00:00 committed by Jonathan Cameron
parent 90efe05562
commit 60b1addba2
1 changed files with 7 additions and 4 deletions
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11
drivers/iio/light/isl29125.c
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@ -44,6 +44,9 @@
#define ISL29125_MODE_B 0x3
#define ISL29125_MODE_RGB 0x5
#define ISL29125_SENSING_RANGE_0 5722 /* 375 lux full range */
#define ISL29125_SENSING_RANGE_1 152590 /* 10k lux full range */
#define ISL29125_MODE_RANGE BIT(3)
#define ISL29125_STATUS_CONV BIT(1)
@ -139,9 +142,9 @@ static int isl29125_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_SCALE:
*val = 0;
if (data->conf1 & ISL29125_MODE_RANGE)
*val2 = 152590; /* 10k lux full range */
*val2 = ISL29125_SENSING_RANGE_1; /*10k lux full range*/
else
*val2 = 5722; /* 375 lux full range */
*val2 = ISL29125_SENSING_RANGE_0; /*375 lux full range*/
return IIO_VAL_INT_PLUS_MICRO;
}
return -EINVAL;
@ -157,9 +160,9 @@ static int isl29125_write_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_SCALE:
if (val != 0)
return -EINVAL;
if (val2 == 152590)
if (val2 == ISL29125_SENSING_RANGE_1)
data->conf1 |= ISL29125_MODE_RANGE;
else if (val2 == 5722)
else if (val2 == ISL29125_SENSING_RANGE_0)
data->conf1 &= ~ISL29125_MODE_RANGE;
else
return -EINVAL;