staging: iio: light: isl29018: Rename lux_scale to calibscale

This patch renames lux_scale to calibscale and lux_uscale to
ucalibscale.

This is done in order to avoid confusion since these parameters are
used for hardware applied calibration.

Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/light/isl29018.c b/drivers/staging/iio/light/isl29018.c
index d3d0611..ffc3d1b 100644 (file)
--- a/drivers/staging/iio/light/isl29018.c
+++ b/drivers/staging/iio/light/isl29018.c
@@ -71,8 +71,8 @@ struct isl29018_chip {
        struct regmap           *regmap;
        struct mutex            lock;
        int                     type;
-       unsigned int            lux_scale;
-       unsigned int            lux_uscale;
+       unsigned int            calibscale;
+       unsigned int            ucalibscale;
        unsigned int            range;
        unsigned int            adc_bit;
        int                     prox_scheme;
@@ -165,12 +165,12 @@ static int isl29018_read_lux(struct isl29018_chip *chip, int *lux)
 
        /* To support fractional scaling, separate the unshifted lux
         * into two calculations: int scaling and micro-scaling.
-        * lux_uscale ranges from 0-999999, so about 20 bits.  Split
+        * ucalibscale ranges from 0-999999, so about 20 bits.  Split
         * the /1,000,000 in two to reduce the risk of over/underflow.
         */
        data_x_range = lux_data * chip->range;
-       lux_unshifted = data_x_range * chip->lux_scale;
-       lux_unshifted += data_x_range / 1000 * chip->lux_uscale / 1000;
+       lux_unshifted = data_x_range * chip->calibscale;
+       lux_unshifted += data_x_range / 1000 * chip->ucalibscale / 1000;
        *lux = lux_unshifted >> chip->adc_bit;
 
        return 0;
@@ -277,9 +277,9 @@ static int isl29018_write_raw(struct iio_dev *indio_dev,
 
        mutex_lock(&chip->lock);
        if (mask == IIO_CHAN_INFO_CALIBSCALE && chan->type == IIO_LIGHT) {
-               chip->lux_scale = val;
+               chip->calibscale = val;
                /* With no write_raw_get_fmt(), val2 is a MICRO fraction. */
-               chip->lux_uscale = val2;
+               chip->ucalibscale = val2;
                ret = 0;
        }
        mutex_unlock(&chip->lock);
@@ -323,8 +323,8 @@ static int isl29018_read_raw(struct iio_dev *indio_dev,
                break;
        case IIO_CHAN_INFO_CALIBSCALE:
                if (chan->type == IIO_LIGHT) {
-                       *val = chip->lux_scale;
-                       *val2 = chip->lux_uscale;
+                       *val = chip->calibscale;
+                       *val2 = chip->ucalibscale;
                        ret = IIO_VAL_INT_PLUS_MICRO;
                }
                break;
@@ -607,8 +607,8 @@ static int isl29018_probe(struct i2c_client *client,
        mutex_init(&chip->lock);
 
        chip->type = dev_id;
-       chip->lux_scale = 1;
-       chip->lux_uscale = 0;
+       chip->calibscale = 1;
+       chip->ucalibscale = 0;
        chip->range = 1000;
        chip->adc_bit = 16;
        chip->suspended = false;