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Commit 8ba42fb7 authored by Peter Meerwald's avatar Peter Meerwald Committed by Jonathan Cameron
Browse files

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: default avatarPeter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
Cc: Stable@vger.kernel.org
parent 6d4eed9e

drivers/iio/magnetometer/ak8975.c

+1 −8
Original line number Diff line number Diff line
@@ -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: