[PATCH 09/15] iio:adc:ad799x: Fix reported event values, apply shift

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last two bits of ADC and limit valuse are zero and not reported (ad7993,
ad7997); compare with read_raw()

Signed-off-by: Peter Meerwald <pmeerw@xxxxxxxxxx>
---
 drivers/iio/adc/ad799x.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index 0f97cd2..0d8e950 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -392,7 +392,8 @@ static int ad799x_read_event_value(struct iio_dev *indio_dev,
 	mutex_unlock(&indio_dev->mlock);
 	if (ret < 0)
 		return ret;
-	*val = ret;
+	*val = (ret >> chan->scan_type.shift) &
+		GENMASK(chan->scan_type.realbits - 1, 0);
 
 	return IIO_VAL_INT;
 }
-- 
1.9.1

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