leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

iio: Add support for humidity sensors

Browse Source 
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@ccbib.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Harald Geyer 2013-12-01 15:08:00 +00:00 committed by Jonathan Cameron
parent 6f93910eba
commit ac216aa290
3 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Documentation/ABI/testing/sysfs-bus-iio
View File

@ -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: 3.14
Contact: linux-iio@vger.kernel.org
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: 3.14
Contact: linux-iio@vger.kernel.org
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

1
drivers/iio/industrialio-core.c
View File

@ -69,6 +69,7 @@ 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[] = {

1
include/linux/iio/types.h
View File

@ -29,6 +29,7 @@ enum iio_chan_type {
IIO_ALTVOLTAGE,
IIO_CCT,
IIO_PRESSURE,
IIO_HUMIDITYRELATIVE,
};
enum iio_modifier {