staging: iio: ad7746: Automatically swap values in readings/writings

Data to read or write was being handled with the swab16() macro instead
of using i2c_smbus_{read,write}_swapped.

Signed-off-by: Hernán Gonzalez <hernan@vanguardiasur.com.ar>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c
index 4882dbc81c53addf0ed63c0b7a839aabf7ff0175..53e28aeef417929af396d35f2107ccf1583d3d05 100644 (file)
--- a/drivers/staging/iio/cdc/ad7746.c
+++ b/drivers/staging/iio/cdc/ad7746.c
@@ -451,7 +451,7 @@ static int ad7746_write_raw(struct iio_dev *indio_dev,
                        goto out;
                }
 
-               ret = i2c_smbus_write_word_data(chip->client, reg, swab16(val));
+               ret = i2c_smbus_write_word_swapped(chip->client, reg, val);
                if (ret < 0)
                        goto out;
 
@@ -462,8 +462,8 @@ static int ad7746_write_raw(struct iio_dev *indio_dev,
                        ret = -EINVAL;
                        goto out;
                }
-               ret = i2c_smbus_write_word_data(chip->client,
-                               AD7746_REG_CAP_OFFH, swab16(val));
+               ret = i2c_smbus_write_word_swapped(chip->client,
+                                                  AD7746_REG_CAP_OFFH, val);
                if (ret < 0)
                        goto out;
 
@@ -594,21 +594,21 @@ static int ad7746_read_raw(struct iio_dev *indio_dev,
                        goto out;
                }
 
-               ret = i2c_smbus_read_word_data(chip->client, reg);
+               ret = i2c_smbus_read_word_swapped(chip->client, reg);
                if (ret < 0)
                        goto out;
                /* 1 + gain_val / 2^16 */
                *val = 1;
-               *val2 = (15625 * swab16(ret)) / 1024;
+               *val2 = (15625 * ret) / 1024;
 
                ret = IIO_VAL_INT_PLUS_MICRO;
                break;
        case IIO_CHAN_INFO_CALIBBIAS:
-               ret = i2c_smbus_read_word_data(chip->client,
-                                              AD7746_REG_CAP_OFFH);
+               ret = i2c_smbus_read_word_swapped(chip->client,
+                                                 AD7746_REG_CAP_OFFH);
                if (ret < 0)
                        goto out;
-               *val = swab16(ret);
+               *val = ret;
 
                ret = IIO_VAL_INT;
                break;