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Commit 423ad0c4 authored by Hartmut Knaack's avatar Hartmut Knaack Committed by Jonathan Cameron
Browse files

iio:light:stk3310: make endianness independent of host 



Data is stored in the device in be16 format. Make use of be16_to_cpu and
cpu_to_be16 to have correct endianness on any host architecture.

Signed-off-by: default avatarHartmut Knaack <knaack.h@gmx.de>
Reviewed-by: default avatarTiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 037e966f

drivers/iio/light/stk3310.c

+6 −6
Original line number Diff line number Diff line
@@ -200,7 +200,7 @@ static int stk3310_read_event(struct iio_dev *indio_dev, 
			      int *val, int *val2)

{

	u8 reg;

	u16 buf;

	__be16 buf;

	int ret;

	struct stk3310_data *data = iio_priv(indio_dev);
@@ -222,7 +222,7 @@ static int stk3310_read_event(struct iio_dev *indio_dev, 
		dev_err(&data->client->dev, "register read failed\n");

		return ret;

	}

	*val = swab16(buf);

	*val = be16_to_cpu(buf);



	return IIO_VAL_INT;

}
@@ -235,7 +235,7 @@ static int stk3310_write_event(struct iio_dev *indio_dev, 
			       int val, int val2)

{

	u8 reg;

	u16 buf;

	__be16 buf;

	int ret;

	unsigned int index;

	struct stk3310_data *data = iio_priv(indio_dev);
@@ -252,7 +252,7 @@ static int stk3310_write_event(struct iio_dev *indio_dev, 
	else

		return -EINVAL;



	buf = swab16(val);

	buf = cpu_to_be16(val);

	ret = regmap_bulk_write(data->regmap, reg, &buf, 2);

	if (ret < 0)

		dev_err(&client->dev, "failed to set PS threshold!\n");
@@ -301,7 +301,7 @@ static int stk3310_read_raw(struct iio_dev *indio_dev, 
			    int *val, int *val2, long mask)

{

	u8 reg;

	u16 buf;

	__be16 buf;

	int ret;

	unsigned int index;

	struct stk3310_data *data = iio_priv(indio_dev);
@@ -322,7 +322,7 @@ static int stk3310_read_raw(struct iio_dev *indio_dev, 
			mutex_unlock(&data->lock);

			return ret;

		}

		*val = swab16(buf);

		*val = be16_to_cpu(buf);

		mutex_unlock(&data->lock);

		return IIO_VAL_INT;

	case IIO_CHAN_INFO_INT_TIME: