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iio: Fix endianness issue in ak8975_read_axis()

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i2c_smbus_read_word_data() does host endian conversion already,
no need for le16_to_cpu()

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: Stable@vger.kernel.org
This commit is contained in:
Peter Meerwald 2014-05-06 09:53:00 +01:00 committed by Jonathan Cameron
parent 6d4eed9e8e
commit 8ba42fb7b1
1 changed files with 1 additions and 8 deletions
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9
drivers/iio/magnetometer/ak8975.c
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@ -352,8 +352,6 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val)
{
struct ak8975_data *data = iio_priv(indio_dev);
struct i2c_client *client = data->client;
u16 meas_reg;
s16 raw;
int ret;
mutex_lock(&data->lock);
@ -401,16 +399,11 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val)
dev_err(&client->dev, "Read axis data fails\n");
goto exit;
}
meas_reg = ret;
mutex_unlock(&data->lock);
/* Endian conversion of the measured values. */
raw = (s16) (le16_to_cpu(meas_reg));
/* Clamp to valid range. */
raw = clamp_t(s16, raw, -4096, 4095);
*val = raw;
*val = clamp_t(s16, ret, -4096, 4095);
return IIO_VAL_INT;
exit: