According to datasheet data is latched on the falling edge of the SCK. I agree it works in SPI_MODE_0 on the eval kit, but in other configurations with optic isolators (that adds a small delay). We are falling out of spec. Signed-off-by: Sean Nyekjaer <sean.nyekjaer@xxxxxxxxx> --- drivers/iio/dac/ad5755.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c index bfb350a..189d29a 100644 --- a/drivers/iio/dac/ad5755.c +++ b/drivers/iio/dac/ad5755.c @@ -573,6 +573,8 @@ static int ad5755_probe(struct spi_device *spi) st = iio_priv(indio_dev); spi_set_drvdata(spi, indio_dev); + spi->mode = SPI_MODE_1; + st->chip_info = &ad5755_chip_info_tbl[type]; st->spi = spi; st->pwr_down = 0xf; -- 2.7.0 -- 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
