diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-09-28 13:31:00 +0400 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-10-01 19:19:08 +0400 |
| commit | 25682ae5e40f04cb86321dfc5a6713e4b45b55ea (patch) | |
| tree | 306e4c3c46bec2cca2c07b8a340b7b00b6c3e124 /drivers | |
| parent | 7d3c192df0457195c4cdd5272b39c8db8334be81 (diff) | |
| download | linux-25682ae5e40f04cb86321dfc5a6713e4b45b55ea.tar.xz | |
iio:ad5064: Report scale as fractional value
Move the complexity of calculating the fixed point scale to the core.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/dac/ad5064.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c index b18e8c4347c2..cb9c6366032c 100644 --- a/drivers/iio/dac/ad5064.c +++ b/drivers/iio/dac/ad5064.c @@ -239,10 +239,9 @@ static int ad5064_read_raw(struct iio_dev *indio_dev, if (scale_uv < 0) return scale_uv; - scale_uv = (scale_uv * 100) >> chan->scan_type.realbits; - *val = scale_uv / 100000; - *val2 = (scale_uv % 100000) * 10; - return IIO_VAL_INT_PLUS_MICRO; + *val = scale_uv / 1000; + *val2 = chan->scan_type.realbits; + return IIO_VAL_FRACTIONAL_LOG2; default: break; } |