diff options
Diffstat (limited to 'drivers/iio/dac/ad5446.c')
-rw-r--r-- | drivers/iio/dac/ad5446.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c index 96e9ed4..1263b0e 100644 --- a/drivers/iio/dac/ad5446.c +++ b/drivers/iio/dac/ad5446.c @@ -132,8 +132,9 @@ static const struct iio_chan_spec_ext_info ad5446_ext_info_powerdown[] = { .name = "powerdown", .read = ad5446_read_dac_powerdown, .write = ad5446_write_dac_powerdown, + .shared = IIO_SEPARATE, }, - IIO_ENUM("powerdown_mode", false, &ad5446_powerdown_mode_enum), + IIO_ENUM("powerdown_mode", IIO_SEPARATE, &ad5446_powerdown_mode_enum), IIO_ENUM_AVAILABLE("powerdown_mode", &ad5446_powerdown_mode_enum), { }, }; @@ -162,18 +163,15 @@ static int ad5446_read_raw(struct iio_dev *indio_dev, long m) { struct ad5446_state *st = iio_priv(indio_dev); - unsigned long scale_uv; switch (m) { case IIO_CHAN_INFO_RAW: *val = st->cached_val; return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - scale_uv = (st->vref_mv * 1000) >> chan->scan_type.realbits; - *val = scale_uv / 1000; - *val2 = (scale_uv % 1000) * 1000; - return IIO_VAL_INT_PLUS_MICRO; - + *val = st->vref_mv; + *val2 = chan->scan_type.realbits; + return IIO_VAL_FRACTIONAL_LOG2; } return -EINVAL; } @@ -329,6 +327,7 @@ enum ad5446_supported_spi_device_ids { ID_AD5601, ID_AD5611, ID_AD5621, + ID_AD5641, ID_AD5620_2500, ID_AD5620_1250, ID_AD5640_2500, @@ -391,6 +390,10 @@ static const struct ad5446_chip_info ad5446_spi_chip_info[] = { .channel = AD5446_CHANNEL_POWERDOWN(12, 16, 2), .write = ad5446_write, }, + [ID_AD5641] = { + .channel = AD5446_CHANNEL_POWERDOWN(14, 16, 0), + .write = ad5446_write, + }, [ID_AD5620_2500] = { .channel = AD5446_CHANNEL_POWERDOWN(12, 16, 2), .int_vref_mv = 2500, @@ -445,6 +448,7 @@ static const struct spi_device_id ad5446_spi_ids[] = { {"ad5601", ID_AD5601}, {"ad5611", ID_AD5611}, {"ad5621", ID_AD5621}, + {"ad5641", ID_AD5641}, {"ad5620-2500", ID_AD5620_2500}, /* AD5620/40/60: */ {"ad5620-1250", ID_AD5620_1250}, /* part numbers may look differently */ {"ad5640-2500", ID_AD5640_2500}, |