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iio: stk8312: Use scan_type when processing raw data 

Use channel definition as root of trust and replace constant
when reading elements directly using the raw sysfs attributes.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Link: https://lore.kernel.org/r/20211104082413.3681212-6-gwendal@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Gwendal Grignou 2021-11-04 01:24:05 -07:00 committed by Jonathan Cameron
parent 5405c9b407
commit 571f8d006f
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/accel/stk8312.c
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@ -355,7 +355,7 @@ static int stk8312_read_raw(struct iio_dev *indio_dev,
mutex_unlock(&data->lock);
return ret;
}
*val = sign_extend32(ret, 7);
*val = sign_extend32(ret, chan->scan_type.realbits - 1);
ret = stk8312_set_mode(data,
data->mode & (~STK8312_MODE_ACTIVE));
mutex_unlock(&data->lock);