iio: resistance: add IIO_RESISTANCE channel type
Signed-off-by: Matt Ranostay <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 08903b9..8ce14c8 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1471,3 +1471,11 @@
Contact: [email protected]
Description:
Raw (unscaled no offset etc.) percentage reading of a substance.
+
+What: /sys/bus/iio/devices/iio:deviceX/in_resistance_raw
+What: /sys/bus/iio/devices/iio:deviceX/in_resistanceX_raw
+KernelVersion: 4.3
+Contact: [email protected]
+Description:
+ Raw (unscaled no offset etc.) resistance reading that can be processed
+ into an ohm value.
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index ee09a94..208358f 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -76,6 +76,7 @@
[IIO_DISTANCE] = "distance",
[IIO_VELOCITY] = "velocity",
[IIO_CONCENTRATION] = "concentration",
+ [IIO_RESISTANCE] = "resistance",
};
static const char * const iio_modifier_names[] = {
diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
index 1e4c4e3..7c63bd6 100644
--- a/include/uapi/linux/iio/types.h
+++ b/include/uapi/linux/iio/types.h
@@ -36,6 +36,7 @@
IIO_DISTANCE,
IIO_VELOCITY,
IIO_CONCENTRATION,
+ IIO_RESISTANCE,
};
enum iio_modifier {
