From: Gwendal Grignou Date: Thu, 4 Nov 2021 08:24:07 +0000 (-0700) Subject: iio: ad7266: Use scan_type when processing raw data X-Git-Tag: v5.17-rc1~82^2~40^2~72 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4e9f4c12f1863b890965bfbf81d8d9bc85c12edb;p=thirdparty%2Fkernel%2Flinux.git iio: ad7266: 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/20211104082413.3681212-8-gwendal@chromium.org Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index a8ec3efd659ed..1d345d66742d8 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -159,7 +159,8 @@ static int ad7266_read_raw(struct iio_dev *indio_dev, *val = (*val >> 2) & 0xfff; if (chan->scan_type.sign == 's') - *val = sign_extend32(*val, 11); + *val = sign_extend32(*val, + chan->scan_type.realbits - 1); return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: