From: Michael Hennerich <michael.hennerich@xxxxxxxxxx> Add missing parity bit generation. Failure to add the parity bit caused half of the register accesses to fail. Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx> Acked-by: Jonathan Cameron <jic23@xxxxxxxxx> --- drivers/staging/iio/gyro/adxrs450_core.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/staging/iio/gyro/adxrs450_core.c b/drivers/staging/iio/gyro/adxrs450_core.c index c02e3ef..5671276 100644 --- a/drivers/staging/iio/gyro/adxrs450_core.c +++ b/drivers/staging/iio/gyro/adxrs450_core.c @@ -59,6 +59,9 @@ static int adxrs450_spi_read_reg_16(struct device *dev, st->tx[2] = 0; st->tx[3] = 0; + if (!(hweight32(be32_to_cpu(*(u32 *)st->tx)) & 1)) + st->tx[3] |= ADXRS450_P; + spi_message_init(&msg); spi_message_add_tail(&xfers[0], &msg); spi_message_add_tail(&xfers[1], &msg); @@ -103,6 +106,10 @@ static int adxrs450_spi_write_reg_16(struct device *dev, st->tx[1] = reg_address << 1 | val >> 15; st->tx[2] = val >> 7; st->tx[3] = val << 1; + + if (!(hweight32(be32_to_cpu(*(u32 *)st->tx)) & 1)) + st->tx[3] |= ADXRS450_P; + spi_message_init(&msg); spi_message_add_tail(&xfers, &msg); ret = spi_sync(st->us, &msg); -- 1.6.0.2 -- 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
