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Commit 95302e54 authored by Hernán Gonzalez's avatar Hernán Gonzalez Committed by Jonathan Cameron
Browse files

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: default avatarHernán Gonzalez <hernan@vanguardiasur.com.ar>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent a60acdf9

drivers/staging/iio/cdc/ad7746.c

+8 −8
Original line number Diff line number Diff line
@@ -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,

		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;