On Sun, 4 Mar 2018 18:15:06 +0530 Shreeya Patel <shreeya.patel23...@gmail.com> wrote:
> Use sign_extend32 function instead of manually coding > it. > > Signed-off-by: Shreeya Patel <shreeya.patel23...@gmail.com> Applied to the togreg branch of iio.git and pushed out as testing for the autobuilders to play with it. Thanks, Jonathan > --- > > Changes in v3 > -After split patch. > > drivers/staging/iio/accel/adis16209.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/drivers/staging/iio/accel/adis16209.c > b/drivers/staging/iio/accel/adis16209.c > index 9cb1ce0..a8453bf 100644 > --- a/drivers/staging/iio/accel/adis16209.c > +++ b/drivers/staging/iio/accel/adis16209.c > @@ -212,9 +212,8 @@ static int adis16209_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; > } > return -EINVAL;
