On 04/29/11 11:58, michael.hennerich@xxxxxxxxxx wrote: > 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. oops :) > > 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); -- 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
