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authorPeter Meerwald <pmeerw@pmeerw.net>2014-05-06 09:53:00 +0100
committerJonathan Cameron <jic23@kernel.org>2014-06-07 11:50:34 +0100
commit8ba42fb7b17649c9ab5b5e79d4e90370a0b4645e (patch)
treecea3b4d35b3122f183e5e35c965117618c3caa2b /drivers/iio
parent6d4eed9e8e31a855ea6e6969562774e15f7a6849 (diff)
downloadblackbird-op-linux-8ba42fb7b17649c9ab5b5e79d4e90370a0b4645e.tar.gz
blackbird-op-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')
-rw-r--r--drivers/iio/magnetometer/ak8975.c9
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:
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