From 9dd6ec17a8b06a75558b00c50676f847f7fa6513 Mon Sep 17 00:00:00 2001 From: Shreeya Patel Date: Sun, 4 Mar 2018 18:15:06 +0530 Subject: [PATCH] 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 --- 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 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;