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Subject[PATCH 28/31] iio: gyro: use parity32 in adxrs450.c
From
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From: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>

Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
---
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
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