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staging:iio:adis16260: Use sign_extend32() instead of open-coding it

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Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2013-07-17 15:44:00 +01:00 committed by Jonathan Cameron
parent f4f87d0411
commit b45ae32bd0
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/iio/gyro/adis16260_core.c
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@ -277,9 +277,7 @@ static int adis16260_read_raw(struct iio_dev *indio_dev,
mutex_unlock(&indio_dev->mlock);
return ret;
}
val16 &= (1 << bits) - 1;
val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
*val = val16;
*val = sign_extend32(val16, bits - 1);
mutex_unlock(&indio_dev->mlock);
return IIO_VAL_INT;
case IIO_CHAN_INFO_CALIBSCALE: