| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.14 073/151] iio: adc: max1027: Fix wrong shift with 12-bit devices | Date | Mon, 18 Oct 2021 15:24:12 +0200 |
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From: Miquel Raynal <miquel.raynal@bootlin.com>
commit 732ae19ee8f58ecaf30cbc1bbbda5cbee6a45043 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/iio/adc/max1027.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/adc/max1027.c +++ b/drivers/iio/adc/max1027.c @@ -103,7 +103,7 @@ MODULE_DEVICE_TABLE(of, max1027_adc_dt_i .sign = 'u', \ .realbits = depth, \ .storagebits = 16, \ - .shift = 2, \ + .shift = (depth == 10) ? 2 : 0, \ .endianness = IIO_BE, \ }, \ }
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