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Commit ac216aa2 authored by Harald Geyer's avatar Harald Geyer Committed by Jonathan Cameron
Browse files

iio: Add support for humidity sensors 



There are already humidity sensors in the hwmon subsystem,
so we use their unit (milli percent) here as well.

Signed-off-by: default avatarHarald Geyer <harald@ccbib.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 6f93910e

Documentation/ABI/testing/sysfs-bus-iio

+13 −0
Original line number Diff line number Diff line
@@ -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

drivers/iio/industrialio-core.c

+1 −0
Original line number Diff line number Diff line
@@ -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[] = {

include/linux/iio/types.h

+1 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ enum iio_chan_type { 
	IIO_ALTVOLTAGE,

	IIO_CCT,

	IIO_PRESSURE,

	IIO_HUMIDITYRELATIVE,

};



enum iio_modifier {