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authorLars-Peter Clausen <lars@metafoo.de>2013-09-28 11:31:00 +0200
committerJonathan Cameron <jic23@kernel.org>2013-10-01 17:19:08 +0200
commit25682ae5e40f04cb86321dfc5a6713e4b45b55ea (patch)
tree306e4c3c46bec2cca2c07b8a340b7b00b6c3e124 /drivers/iio/dac/ad5064.c
parentIIO: call sensor hub open close function (diff)
downloadlinux-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.c7
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;
}