iio: dac: ad5446: Fix read_raw not returning set value

read_raw should return the un-scaled value.

Fixes: 5e06bdf ("staging:iio:dac:ad5446: Return cached value for 'raw' attribute")
Signed-off-by: Michael Hennerich <[email protected]>
Reviewed-by: Nuno Sá <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>

Author: mhennerich

drivers/iio/dac/ad5446.c

@@ -178,7 +178,7 @@ static int ad5446_read_raw(struct iio_dev *indio_dev,
 
 	switch (m) {
 	case IIO_CHAN_INFO_RAW:
-		*val = st->cached_val;
+		*val = st->cached_val >> chan->scan_type.shift;
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_SCALE:
 		*val = st->vref_mv;