diff mbox series

[5.15,013/177] iio: dac: ad5446: Fix read_raw not returning set value

Message ID 20220504153054.676623001@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

gregkh@linuxfoundation.org May 4, 2022, 4:43 p.m. UTC 
From: Michael Hennerich <michael.hennerich@analog.com>

commit 89a01cd688d3c0ac983ef0b0e5f40018ab768317 upstream.

read_raw should return the un-scaled value.

Fixes: 5e06bdfb46e8b ("staging:iio:dac:ad5446: Return cached value for 'raw' attribute")
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Reviewed-by: Nuno 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: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/iio/dac/ad5446.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -178,7 +178,7 @@  static int ad5446_read_raw(struct iio_de
 
 	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;