From: Gwendal Grignou Date: Thu, 4 Nov 2021 08:24:03 +0000 (-0700) Subject: iio: mma7455: Use scan_type when processing raw data X-Git-Tag: v6.1-rc5~2218^2~40^2~76 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1aa2f96abbcc7e68a13ce53deaf41cb2fd2debfa;p=platform%2Fkernel%2Flinux-starfive.git iio: mma7455: Use scan_type when processing raw data Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by: Gwendal Grignou Link: https://lore.kernel.org/r/20211104082413.3681212-4-gwendal@chromium.org Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/accel/mma7455_core.c b/drivers/iio/accel/mma7455_core.c index 777c6c38..e6739ba 100644 --- a/drivers/iio/accel/mma7455_core.c +++ b/drivers/iio/accel/mma7455_core.c @@ -134,7 +134,8 @@ static int mma7455_read_raw(struct iio_dev *indio_dev, if (ret) return ret; - *val = sign_extend32(le16_to_cpu(data), 9); + *val = sign_extend32(le16_to_cpu(data), + chan->scan_type.realbits - 1); return IIO_VAL_INT;