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Commit c4f0c693 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

iio: Add pressure channel type 



This patch adds support for a new IIO channel type for pressure measurements.
This can for example be used for barometric pressure sensors.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 484a0bf0

Documentation/ABI/testing/sysfs-bus-iio

+24 −0
Original line number Diff line number Diff line
@@ -189,6 +189,14 @@ Description: 
		A computed peak value based on the sum squared magnitude of

		the underlying value in the specified directions.



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

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

KernelVersion:	3.8

Contact:	linux-iio@vger.kernel.org

Description:

		Raw pressure measurement from channel Y. Units after

		application of scale and offset are kilopascal.



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
@@ -197,6 +205,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_offset 
What:		/sys/bus/iio/devices/iio:deviceX/in_voltage_offset

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

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

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

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

KernelVersion:	2.6.35

Contact:	linux-iio@vger.kernel.org

Description:
@@ -226,6 +236,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale 
What:		/sys/bus/iio/devices/iio:deviceX/in_magn_x_scale

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

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

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

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

KernelVersion:	2.6.35

Contact:	linux-iio@vger.kernel.org

Description:
@@ -245,6 +257,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibbias 
What:		/sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibbias

What:		/sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibbias

What:		/sys/bus/iio/devices/iio:deviceX/in_proximity0_calibbias

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

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

KernelVersion:	2.6.35

Contact:	linux-iio@vger.kernel.org

Description:
@@ -262,6 +276,8 @@ What /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibscale 
What		/sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibscale

what		/sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibscale

what		/sys/bus/iio/devices/iio:deviceX/in_proximity0_calibscale

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

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

KernelVersion:	2.6.35

Contact:	linux-iio@vger.kernel.org

Description:
@@ -275,6 +291,8 @@ What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available 
What:		/sys/.../iio:deviceX/out_voltageX_scale_available

What:		/sys/.../iio:deviceX/out_altvoltageX_scale_available

What:		/sys/.../iio:deviceX/in_capacitance_scale_available

What:		/sys/.../iio:deviceX/in_pressure_scale_available

What:		/sys/.../iio:deviceX/in_pressureY_scale_available

KernelVersion:	2.6.35

Contact:	linux-iio@vger.kernel.org

Description:
@@ -694,6 +712,8 @@ What: /sys/.../buffer/scan_elements/in_voltageY_en 
What:		/sys/.../buffer/scan_elements/in_voltageY-voltageZ_en

What:		/sys/.../buffer/scan_elements/in_incli_x_en

What:		/sys/.../buffer/scan_elements/in_incli_y_en

What:		/sys/.../buffer/scan_elements/in_pressureY_en

What:		/sys/.../buffer/scan_elements/in_pressure_en

KernelVersion:	2.6.37

Contact:	linux-iio@vger.kernel.org

Description:
@@ -707,6 +727,8 @@ What: /sys/.../buffer/scan_elements/in_voltageY_type 
What:		/sys/.../buffer/scan_elements/in_voltage_type

What:		/sys/.../buffer/scan_elements/in_voltageY_supply_type

What:		/sys/.../buffer/scan_elements/in_timestamp_type

What:		/sys/.../buffer/scan_elements/in_pressureY_type

What:		/sys/.../buffer/scan_elements/in_pressure_type

KernelVersion:	2.6.37

Contact:	linux-iio@vger.kernel.org

Description:
@@ -751,6 +773,8 @@ What: /sys/.../buffer/scan_elements/in_magn_z_index 
What:		/sys/.../buffer/scan_elements/in_incli_x_index

What:		/sys/.../buffer/scan_elements/in_incli_y_index

What:		/sys/.../buffer/scan_elements/in_timestamp_index

What:		/sys/.../buffer/scan_elements/in_pressureY_index

What:		/sys/.../buffer/scan_elements/in_pressure_index

KernelVersion:	2.6.37

Contact:	linux-iio@vger.kernel.org

Description:

drivers/iio/industrialio-core.c

+1 −0
Original line number Diff line number Diff line
@@ -65,6 +65,7 @@ static const char * const iio_chan_type_name_spec[] = { 
	[IIO_CAPACITANCE] = "capacitance",

	[IIO_ALTVOLTAGE] = "altvoltage",

	[IIO_CCT] = "cct",

	[IIO_PRESSURE] = "pressure",

};



static const char * const iio_modifier_names[] = {

include/linux/iio/types.h

+1 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ enum iio_chan_type { 
	IIO_CAPACITANCE,

	IIO_ALTVOLTAGE,

	IIO_CCT,

	IIO_PRESSURE,

};



enum iio_modifier {