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iio: stk8ba50: Use scan_type when processing raw data
author
Gwendal Grignou
<gwendal@chromium.org>
Thu, 4 Nov 2021 08:24:06 +0000
(
01:24
-0700)
committer
Jonathan Cameron
<Jonathan.Cameron@huawei.com>
Wed, 17 Nov 2021 17:51:42 +0000
(17:51 +0000)
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>
drivers/iio/accel/stk8ba50.c
patch
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diff --git
a/drivers/iio/accel/stk8ba50.c
b/drivers/iio/accel/stk8ba50.c
index
e137a34
..
517c57e
100644
(file)
--- a/
drivers/iio/accel/stk8ba50.c
+++ b/
drivers/iio/accel/stk8ba50.c
@@
-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;