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staging:iio:dac:ad5791: Fix scale unit

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Scale is currently reported in volts instead of millivolts. This patch fixes it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Lars-Peter Clausen
2011-10-19 17:47:52 +02:00
committed by Greg Kroah-Hartman
parent f1a61a8888
commit 75bb23a215
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/iio/dac/ad5791.c
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@@ -239,7 +239,7 @@ static int ad5791_read_raw(struct iio_dev *indio_dev,
return IIO_VAL_INT;
case (1 << IIO_CHAN_INFO_SCALE_SHARED):
*val = 0;
*val2 = (st->vref_mv * 1000) >> chan->scan_type.realbits;
*val2 = (((u64)st->vref_mv) * 1000000ULL) >> chan->scan_type.realbits;
return IIO_VAL_INT_PLUS_MICRO;
case (1 << IIO_CHAN_INFO_OFFSET_SHARED):
val64 = (((u64)st->vref_neg_mv) << chan->scan_type.realbits);