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Staging: iio: accel: adis16201: Use sign_extend32 function

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Use sign_extned32() for 32 bit sign extending rather than hard coding.

Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Himanshu Jha 2018-03-17 01:36:23 +05:30 committed by Jonathan Cameron
parent 57f9386405
commit e7f3bfb7eb
1 changed files with 2 additions and 3 deletions
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5
drivers/staging/iio/accel/adis16201.c
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@ -173,9 +173,8 @@ static int adis16201_read_raw(struct iio_dev *indio_dev,
ret = adis_read_reg_16(st, addr, &val16);
if (ret)
return ret;
val16 &= (1 << bits) - 1;
val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
*val = val16;
*val = sign_extend32(val16, bits - 1);
return IIO_VAL_INT;
}