diff options
| -rw-r--r-- | drivers/iio/adc/ad4851.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/iio/adc/ad4851.c b/drivers/iio/adc/ad4851.c index 31e1e02c0ce3..1ad77f2a4580 100644 --- a/drivers/iio/adc/ad4851.c +++ b/drivers/iio/adc/ad4851.c @@ -444,10 +444,12 @@ static int ad4851_setup(struct ad4851_state *st) if (ret) return ret; - ret = regmap_write(st->regmap, AD4851_REG_INTERFACE_CONFIG_A, - AD4851_SDO_ENABLE); - if (ret) - return ret; + if (!(st->spi->mode & SPI_3WIRE)) { + ret = regmap_write(st->regmap, AD4851_REG_INTERFACE_CONFIG_A, + AD4851_SDO_ENABLE); + if (ret) + return ret; + } ret = regmap_read(st->regmap, AD4851_REG_PRODUCT_ID_L, &product_id); if (ret) |