diff mbox series

[v2,09/13] iio: ti-adc12138: Use scan_type when processing raw data

Message ID 20211104082413.3681212-10-gwendal@chromium.org (mailing list archive)
State Accepted
Headers show
Series iio: Use scan_type shift and realbits when processing raw data | expand

Commit Message

Gwendal Grignou Nov. 4, 2021, 8:24 a.m. UTC 
Use channel definition as root of trust and replace constant
when reading elements directly using the raw sysfs attributes.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
---
 drivers/iio/adc/ti-adc12138.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iio/adc/ti-adc12138.c b/drivers/iio/adc/ti-adc12138.c
index fcd5d39dd03ea..5b5d452105393 100644
--- a/drivers/iio/adc/ti-adc12138.c
+++ b/drivers/iio/adc/ti-adc12138.c
@@ -239,7 +239,8 @@  static int adc12138_read_raw(struct iio_dev *iio,
 		if (ret)
 			return ret;
 
-		*value = sign_extend32(be16_to_cpu(data) >> 3, 12);
+		*value = sign_extend32(be16_to_cpu(data) >> channel->scan_type.shift,
+				       channel->scan_type.realbits - 1);
 
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_SCALE: