diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-09-28 09:31:00 (GMT) |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-10-01 15:19:12 (GMT) |
| commit | c45e561ee81477903b8254331cb2e28e04082de5 (patch) | |
| tree | 6d20a3e90faa4a31bd082119fa624c62ab63326f | |
| parent | 488a21827a257b735571468632e9f677b13bdddd (diff) | |
| download | linux-fsl-qoriq-c45e561ee81477903b8254331cb2e28e04082de5.tar.xz | |
iio:at91: 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>
Cc: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| -rw-r--r-- | drivers/iio/adc/at91_adc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 7812194..8b93295 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -366,9 +366,9 @@ static int at91_adc_read_raw(struct iio_dev *idev, return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - *val = (st->vref_mv * 1000) >> chan->scan_type.realbits; - *val2 = 0; - return IIO_VAL_INT_PLUS_MICRO; + *val = st->vref_mv; + *val2 = chan->scan_type.realbits; + return IIO_VAL_FRACTIONAL_LOG2; default: break; } |