From: Lars-Peter Clausen Date: Wed, 17 Jul 2013 14:44:00 +0000 (+0100) Subject: staging:iio:adis16260: Use sign_extend32() instead of open-coding it X-Git-Tag: v3.12-rc1~183^2~322^2~31 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b45ae32bd027d7b7a65cc50ce5484446077f2648;p=thirdparty%2Flinux.git staging:iio:adis16260: Use sign_extend32() instead of open-coding it Signed-off-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- diff --git a/drivers/staging/iio/gyro/adis16260_core.c b/drivers/staging/iio/gyro/adis16260_core.c index 55e67959b0543..f060452f367e6 100644 --- a/drivers/staging/iio/gyro/adis16260_core.c +++ b/drivers/staging/iio/gyro/adis16260_core.c @@ -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: