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staging:iio:adis16080: be16 cleanups

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The sample buffer contains big endian 16bit words. So use the be16 datatype for
the buffer and use the proper helper functions for endianness conversion instead
of openconding it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2013-01-09 14:01:00 +00:00 committed by Jonathan Cameron
parent 9ab82f0711
commit 3c80372dae
1 changed files with 3 additions and 4 deletions
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7
drivers/staging/iio/gyro/adis16080_core.c
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@ -39,7 +39,7 @@ struct adis16080_state {
struct spi_device *us;
struct mutex buf_lock;
u8 buf[2] ____cacheline_aligned;
__be16 buf ____cacheline_aligned;
};
static int adis16080_read_sample(struct iio_dev *indio_dev,
@ -60,8 +60,7 @@ static int adis16080_read_sample(struct iio_dev *indio_dev,
};
mutex_lock(&st->buf_lock);
st->buf[0] = addr >> 8;
st->buf[1] = addr;
st->buf = cpu_to_be16(addr | ADIS16080_DIN_WRITE);
spi_message_init(&m);
spi_message_add_tail(&t[0], &m);
@ -69,7 +68,7 @@ static int adis16080_read_sample(struct iio_dev *indio_dev,
ret = spi_sync(st->us, &m);
if (ret == 0)
*val = sign_extend32(((st->buf[0] & 0xF) << 8) | st->buf[1], 11);
*val = sign_extend32(be16_to_cpu(st->buf), 11);
mutex_unlock(&st->buf_lock);
return ret;