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iio: stk8ba50: Use scan_type when processing raw data

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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/20211104082413.3681212-7-gwendal@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Gwendal Grignou 2021-11-04 01:24:06 -07:00 committed by Jonathan Cameron
parent 571f8d006f
commit ded408b113
1 changed files with 2 additions and 1 deletions
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3
drivers/iio/accel/stk8ba50.c
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@ -227,7 +227,8 @@ static int stk8ba50_read_raw(struct iio_dev *indio_dev,
mutex_unlock(&data->lock);
return -EINVAL;
}
*val = sign_extend32(ret >> STK8BA50_DATA_SHIFT, 9);
*val = sign_extend32(ret >> chan->scan_type.shift,
chan->scan_type.realbits - 1);
stk8ba50_set_power(data, STK8BA50_MODE_SUSPEND);
mutex_unlock(&data->lock);
return IIO_VAL_INT;