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[09/11] Staging: iio: accel: Use sign_extend32 function

Message ID 1520236170-14668-10-git-send-email-himanshujha199640@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Himanshu Jha March 5, 2018, 7:49 a.m. UTC 
Use sign_extned32() for 32 bit sign extending rather than hard coding the
same.

Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
---
 drivers/staging/iio/accel/adis16201.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/staging/iio/accel/adis16201.c b/drivers/staging/iio/accel/adis16201.c
index 307d4ab..8d795e2 100644
--- a/drivers/staging/iio/accel/adis16201.c
+++ b/drivers/staging/iio/accel/adis16201.c
@@ -159,9 +159,8 @@  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 - 1);
 		return IIO_VAL_INT;
 	}