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Commit d6144390 authored by Michael Hennerich's avatar Michael Hennerich Committed by Greg Kroah-Hartman
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iio: dac: ad5446: Fix read_raw not returning set value 



commit 89a01cd688d3c0ac983ef0b0e5f40018ab768317 upstream.

read_raw should return the un-scaled value.

Fixes: 5e06bdfb ("staging:iio:dac:ad5446: Return cached value for 'raw' attribute")
Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Reviewed-by: default avatarNuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220406105620.1171340-1-michael.hennerich@analog.com


Cc: <Stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 48367c86

drivers/iio/dac/ad5446.c

+1 −1
Original line number Diff line number Diff line
@@ -171,7 +171,7 @@ 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;