Use sign_extend32 kernel function instead of code duplication. This function is also safe for 16 bits. Signed-off-by: Karim Eshapa <karim.eshapa@xxxxxxxxx> --- drivers/staging/iio/accel/adis16201.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/staging/iio/accel/adis16201.c b/drivers/staging/iio/accel/adis16201.c index 0fae8aaf1cf4..fe4494e65395 100644 --- a/drivers/staging/iio/accel/adis16201.c +++ b/drivers/staging/iio/accel/adis16201.c @@ -227,9 +227,7 @@ 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); return IIO_VAL_INT; } -- 2.17.1 -- 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
