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author | Lars-Peter Clausen <lars@metafoo.de> | 2013-09-28 11:31:00 +0200 |
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committer | Jonathan Cameron <jic23@kernel.org> | 2013-10-01 17:19:08 +0200 |
commit | 25682ae5e40f04cb86321dfc5a6713e4b45b55ea (patch) | |
tree | 306e4c3c46bec2cca2c07b8a340b7b00b6c3e124 /drivers/iio/dac/ad5064.c | |
parent | IIO: call sensor hub open close function (diff) | |
download | linux-25682ae5e40f04cb86321dfc5a6713e4b45b55ea.tar.xz linux-25682ae5e40f04cb86321dfc5a6713e4b45b55ea.zip |
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/iio/dac/ad5064.c')
-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; } |