There are already humidity sensors in the hwmon subsystem,
so we use their unit (milli percent) here as well.
Signed-off-by: Harald Geyer <harald@xxxxxxxxx>
---
Reposting this unchanged (except for the kernel verion update in
the ABI document) from the patch I sent two month ago, as I didn't
get any feedback back then.
Documentation/ABI/testing/sysfs-bus-iio | 13 +++++++++++++
drivers/iio/industrialio-core.c | 1 +
include/linux/iio/types.h | 1 +
3 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 39c8de0..76f8f08 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -197,6 +197,19 @@ Description:
Raw pressure measurement from channel Y. Units after
application of scale and offset are kilopascal.
+What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_raw
+KernelVersion: 3.13
+Contact: linux-iio@xxxxxxxxxxxxxxx
+Description:
+ Raw humidity measurement of air. Units after application of
+ scale and offset are milli percent.
+
+What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_input
+KernelVersion: 3.13
+Contact: linux-iio@xxxxxxxxxxxxxxx
+Description:
+ Scaled humidity measurement in milli percent.
+
What: /sys/bus/iio/devices/iio:deviceX/in_accel_offset
What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_offset
What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index f95c697..5062987 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -66,6 +66,7 @@ static const char * const iio_chan_type_name_spec[] = {
[IIO_ALTVOLTAGE] = "altvoltage",
[IIO_CCT] = "cct",
[IIO_PRESSURE] = "pressure",
+ [IIO_HUMIDITYRELATIVE] = "humidityrelative",
};
static const char * const iio_modifier_names[] = {
diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
index 88bf0f0..f822b3d 100644
--- a/include/linux/iio/types.h
+++ b/include/linux/iio/types.h
@@ -29,6 +29,7 @@ enum iio_chan_type {
IIO_ALTVOLTAGE,
IIO_CCT,
IIO_PRESSURE,
+ IIO_HUMIDITYRELATIVE,
};
enum iio_modifier {
--
1.7.2.5
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