diff options
| author | Peter Meerwald | 2014-05-06 10:53:00 +0200 |
|---|---|---|
| committer | Jonathan Cameron | 2014-06-07 12:50:34 +0200 |
| commit | 8ba42fb7b17649c9ab5b5e79d4e90370a0b4645e (patch) | |
| tree | cea3b4d35b3122f183e5e35c965117618c3caa2b /drivers/iio/magnetometer/ak8975.c | |
| parent | staging/iio: IIO_SIMPLE_DUMMY_BUFFER neds IIO_BUFFER (diff) | |
| download | kernel-qcow2-linux-8ba42fb7b17649c9ab5b5e79d4e90370a0b4645e.tar.gz kernel-qcow2-linux-8ba42fb7b17649c9ab5b5e79d4e90370a0b4645e.tar.xz kernel-qcow2-linux-8ba42fb7b17649c9ab5b5e79d4e90370a0b4645e.zip | |
iio: Fix endianness issue in ak8975_read_axis()
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
Diffstat (limited to 'drivers/iio/magnetometer/ak8975.c')
| -rw-r--r-- | drivers/iio/magnetometer/ak8975.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 74866d1efd1b..2a524acabec8 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -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: |