diff options
Diffstat (limited to 'drivers/iio/dac/ad5360.c')
| -rw-r--r-- | drivers/iio/dac/ad5360.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/iio/dac/ad5360.c b/drivers/iio/dac/ad5360.c index d2da71ece74..64634d7f578 100644 --- a/drivers/iio/dac/ad5360.c +++ b/drivers/iio/dac/ad5360.c @@ -107,7 +107,12 @@ enum ad5360_type { BIT(IIO_CHAN_INFO_OFFSET) | \ BIT(IIO_CHAN_INFO_CALIBSCALE) | \ BIT(IIO_CHAN_INFO_CALIBBIAS), \ - .scan_type = IIO_ST('u', (bits), 16, 16 - (bits)) \ + .scan_type = { \ + .sign = 'u', \ + .realbits = (bits), \ + .storagebits = 16, \ + .shift = 16 - (bits), \ + }, \ } static const struct ad5360_chip_info ad5360_chip_info_tbl[] = { @@ -379,15 +384,14 @@ static int ad5360_read_raw(struct iio_dev *indio_dev, *val = ret >> chan->scan_type.shift; return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - /* vout = 4 * vref * dac_code */ - scale_uv = ad5360_get_channel_vref(st, chan->channel) * 4 * 100; + scale_uv = ad5360_get_channel_vref(st, chan->channel); if (scale_uv < 0) return scale_uv; - scale_uv >>= (chan->scan_type.realbits); - *val = scale_uv / 100000; - *val2 = (scale_uv % 100000) * 10; - return IIO_VAL_INT_PLUS_MICRO; + /* vout = 4 * vref * dac_code */ + *val = scale_uv * 4 / 1000; + *val2 = chan->scan_type.realbits; + return IIO_VAL_FRACTIONAL_LOG2; case IIO_CHAN_INFO_CALIBBIAS: ret = ad5360_read(indio_dev, AD5360_READBACK_OFFSET, chan->address); |