Use sign_extend32 function instead of manually coding it. Signed-off-by: Shreeya Patel <shreeya.patel23498@xxxxxxxxx> --- 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; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
