Use sign_extend32 kernel function instead of code duplication.
This function is also safe for 16 bits.
Signed-off-by: Karim Eshapa <karim.esh...@gmail.com>
---
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
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