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
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index 74866d1..2a524ac 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -352,8 +352,6 @@
{
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 @@
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: