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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 Original line Diff line number Diff line
@@ -197,6 +197,19 @@ Description: 
		Raw pressure measurement from channel Y. Units after

		Raw pressure measurement from channel Y. Units after

		application of scale and offset are kilopascal.

		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_offset

What:		/sys/bus/iio/devices/iio:deviceX/in_accel_x_offset

What:		/sys/bus/iio/devices/iio:deviceX/in_accel_x_offset

What:		/sys/bus/iio/devices/iio:deviceX/in_accel_y_offset

What:		/sys/bus/iio/devices/iio:deviceX/in_accel_y_offset

drivers/iio/industrialio-core.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -69,6 +69,7 @@ static const char * const iio_chan_type_name_spec[] = { 
	[IIO_ALTVOLTAGE] = "altvoltage",

	[IIO_ALTVOLTAGE] = "altvoltage",

	[IIO_CCT] = "cct",

	[IIO_CCT] = "cct",

	[IIO_PRESSURE] = "pressure",

	[IIO_PRESSURE] = "pressure",

	[IIO_HUMIDITYRELATIVE] = "humidityrelative",

};

};





static const char * const iio_modifier_names[] = {

static const char * const iio_modifier_names[] = {

include/linux/iio/types.h

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

	IIO_ALTVOLTAGE,

	IIO_CCT,

	IIO_CCT,

	IIO_PRESSURE,

	IIO_PRESSURE,

	IIO_HUMIDITYRELATIVE,

};

};





enum iio_modifier {

enum iio_modifier {