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Staging: iio: adis16209: Use sign_extend32 function 

Use sign_extend32 function instead of manually coding
it.

Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Shreeya Patel 2018-03-04 18:15:06 +05:30 committed by Jonathan Cameron
parent 0df8baeab1
commit 9dd6ec17a8
1 changed files with 2 additions and 3 deletions
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5
drivers/staging/iio/accel/adis16209.c
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@ -212,9 +212,8 @@ static int adis16209_read_raw(struct iio_dev *indio_dev,
ret = adis_read_reg_16(st, addr, &val16); ret = adis_read_reg_16(st, addr, &val16);
if (ret) if (ret)
return ret; return ret;
val16 &= (1 << bits) - 1;
val16 = (s16)(val16 << (16 - bits)) >> (16 - bits); *val = sign_extend32(val16, bits - 1);
*val = val16;
return IIO_VAL_INT; return IIO_VAL_INT;
} }
return -EINVAL; return -EINVAL;