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Subject[RFC v3 2/4] iio: resistance: add IIO_RESISTANCE channel type
Date
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
---
Documentation/ABI/testing/sysfs-bus-iio | 7 +++++++
drivers/iio/industrialio-core.c | 1 +
include/uapi/linux/iio/types.h | 1 +
3 files changed, 9 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 48080b7..0f683ed 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1466,3 +1466,10 @@ KernelVersion: 4.3
Contact: linux-iio@vger.kernel.org
Description:
Raw (unscaled no offset etc.) precentage 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: linux-iio@vger.kernel.org
+Description:
+ Raw (unscaled no offset etc.) resistance reading in ohms.
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 58a60a1..d61a363 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -76,6 +76,7 @@ static const char * const iio_chan_type_name_spec[] = {
[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 c5a0e3f..d58319c 100644
--- a/include/uapi/linux/iio/types.h
+++ b/include/uapi/linux/iio/types.h
@@ -36,6 +36,7 @@ enum iio_chan_type {
IIO_DISTANCE,
IIO_VELOCITY,
IIO_CONCENTRATION,
+ IIO_RESISTANCE,
};

enum iio_modifier {
--
1.9.1


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