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@xxxxxxxxxx>
---
drivers/staging/iio/gyro/adis16080_core.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/iio/gyro/adis16080_core.c b/drivers/staging/iio/gyro/adis16080_core.c
index 6016e4c..6ff9ffc 100644
--- a/drivers/staging/iio/gyro/adis16080_core.c
+++ b/drivers/staging/iio/gyro/adis16080_core.c
@@ -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(12, ((st->buf[0] & 0xF) << 8) | st->buf[1]);
+ *val = sign_extend32(12, be16_to_cpu(st->buf));
mutex_unlock(&st->buf_lock);
return ret;
--
1.8.0
--
To unsubscribe from this list: send the line "unsubscribe linux-iio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
