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iio: adc: max1027: Fix wrong shift with 12-bit devices
author
Miquel Raynal
<miquel.raynal@bootlin.com>
Wed, 18 Aug 2021 11:11:24 +0000
(13:11 +0200)
committer
Jonathan Cameron
<Jonathan.Cameron@huawei.com>
Tue, 14 Sep 2021 11:02:10 +0000
(12:02 +0100)
10-bit devices must shift the value twice.
This is not needed anymore on 12-bit devices.
Fixes:
ae47d009b508
("iio: adc: max1027: Introduce 12-bit devices support")
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link:
https://lore.kernel.org/r/20210818111139.330636-2-miquel.raynal@bootlin.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/adc/max1027.c
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diff --git
a/drivers/iio/adc/max1027.c
b/drivers/iio/adc/max1027.c
index
655ab02
..
4a42d14
100644
(file)
--- a/
drivers/iio/adc/max1027.c
+++ b/
drivers/iio/adc/max1027.c
@@
-103,7
+103,7
@@
MODULE_DEVICE_TABLE(of, max1027_adc_dt_ids);
.sign = 'u', \
.realbits = depth, \
.storagebits = 16, \
- .shift =
2,
\
+ .shift =
(depth == 10) ? 2 : 0,
\
.endianness = IIO_BE, \
}, \
}