Use sign_extned32() for 32 bit sign extending rather than hard coding. Signed-off-by: Himanshu Jha <himanshujha199640@xxxxxxxxx> --- v2: -no change in this patch. drivers/staging/iio/accel/adis16201.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/staging/iio/accel/adis16201.c b/drivers/staging/iio/accel/adis16201.c index 97150ea..298bf90 100644 --- a/drivers/staging/iio/accel/adis16201.c +++ b/drivers/staging/iio/accel/adis16201.c @@ -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; } -- 2.7.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel