[PATCH 28/31] iio: gyro: use parity32 in adxrs450.c

[zhaoxiu.zeng]

From: Zeng Zhaoxiu <zhaoxiu.zeng@xxxxxxxxx>

Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@xxxxxxxxx>
---
 drivers/iio/gyro/adxrs450.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/gyro/adxrs450.c b/drivers/iio/gyro/adxrs450.c
index a330d42..f1f19fc20 100644
--- a/drivers/iio/gyro/adxrs450.c
+++ b/drivers/iio/gyro/adxrs450.c
@@ -108,9 +108,7 @@ static int adxrs450_spi_read_reg_16(struct iio_dev *indio_dev,
 
 	mutex_lock(&st->buf_lock);
 	tx = ADXRS450_READ_DATA | (reg_address << 17);
-
-	if (!(hweight32(tx) & 1))
-		tx |= ADXRS450_P;
+	tx |= !parity32(tx) * ADXRS450_P;
 
 	st->tx = cpu_to_be32(tx);
 	ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));
@@ -144,9 +142,7 @@ static int adxrs450_spi_write_reg_16(struct iio_dev *indio_dev,
 
 	mutex_lock(&st->buf_lock);
 	tx = ADXRS450_WRITE_DATA | (reg_address << 17) | (val << 1);
-
-	if (!(hweight32(tx) & 1))
-		tx |= ADXRS450_P;
+	tx |= !parity32(tx) * ADXRS450_P;
 
 	st->tx = cpu_to_be32(tx);
 	ret = spi_write(st->us, &st->tx, sizeof(st->tx));
-- 
2.5.5