From: Shreeya Patel Date: Sun, 4 Mar 2018 12:45:06 +0000 (+0530) Subject: Staging: iio: adis16209: Use sign_extend32 function X-Git-Tag: v4.17-rc1~124^2~205^2~20 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9dd6ec17a8b06a75558b00c50676f847f7fa6513;p=linux.git Staging: iio: adis16209: Use sign_extend32 function Use sign_extend32 function instead of manually coding it. Signed-off-by: Shreeya Patel Signed-off-by: Jonathan Cameron --- diff --git a/drivers/staging/iio/accel/adis16209.c b/drivers/staging/iio/accel/adis16209.c index 8ffde7ea94c4..72a18cfe81ee 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;