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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: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2012-11-20 13:36:00 +00:00 committed by Jonathan Cameron
parent 484a0bf091
commit c4f0c69367
3 changed files with 26 additions and 0 deletions
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24
Documentation/ABI/testing/sysfs-bus-iio
View File

@ -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:

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

@ -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[] = {

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

@ -28,6 +28,7 @@ enum iio_chan_type {
IIO_CAPACITANCE,
IIO_ALTVOLTAGE,
IIO_CCT,
IIO_PRESSURE,
};
enum iio_modifier {