Messages in this thread Patch in this message | | | From | Karim Eshapa <> | Subject | [PATCH] staging:iio:accel: use sign extend function avoiding code duplication | Date | Mon, 11 Jun 2018 00:09:20 +0200 |
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Use sign_extend32 kernel function instead of code duplication. This function is also safe for 16 bits.
Signed-off-by: Karim Eshapa <karim.eshapa@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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