diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 173 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 | 133 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 | 8 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-humidity (renamed from Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc2010) | 3 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc100x | 9 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32 | 62 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-proximity | 14 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935 | 9 |
8 files changed, 189 insertions, 222 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index d957f5da5c04..267973541e72 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -33,6 +33,52 @@ Description: Description of the physical chip / device for device X. Typically a part number. +What: /sys/bus/iio/devices/iio:deviceX/label +KernelVersion: 5.8 +Contact: linux-iio@vger.kernel.org +Description: + Optional symbolic label for a device. + This is useful for userspace to be able to better identify an + individual device. + + The contents of the label are free-form, but there are some + standardized uses: + + For proximity sensors which give the proximity (of a person) to + a certain wlan or wwan antenna the following standardized labels + are used: + + * "proximity-wifi" + * "proximity-lte" + * "proximity-wifi-lte" + * "proximity-wifi-left" + * "proximity-wifi-right" + + These are used to indicate to userspace that these proximity + sensors may be used to tune transmit power to ensure that + Specific Absorption Rate (SAR) limits are honored. + The "-left" and "-right" labels are for devices with multiple + antennas. + + In some laptops/tablets the standardized proximity sensor labels + instead indicate proximity to a specific part of the device: + + * "proximity-palmrest" indicates proximity to the keyboard's palmrest + * "proximity-palmrest-left" indicates proximity to the left part of the palmrest + * "proximity-palmrest-right" indicates proximity to the right part of the palmrest + * "proximity-lap" indicates the device is being used on someone's lap + + Note "proximity-lap" is special in that its value may be + calculated by firmware from other sensor readings, rather then + being a raw sensor reading. + + For accelerometers used in 2-in-1s with 360° (yoga-style) hinges, + which have an accelerometer in both their base and their display, + the following standardized labels are used: + + * "accel-base" + * "accel-display" + What: /sys/bus/iio/devices/iio:deviceX/current_timestamp_clock KernelVersion: 4.5 Contact: linux-iio@vger.kernel.org @@ -325,6 +371,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_offset What: /sys/bus/iio/devices/iio:deviceX/in_magn_offset What: /sys/bus/iio/devices/iio:deviceX/in_rot_offset What: /sys/bus/iio/devices/iio:deviceX/in_angl_offset +What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceX_offset KernelVersion: 2.6.35 Contact: linux-iio@vger.kernel.org Description: @@ -656,6 +703,8 @@ What: /sys/.../iio:deviceX/events/in_voltageY_thresh_falling_en What: /sys/.../iio:deviceX/events/in_voltageY_thresh_either_en What: /sys/.../iio:deviceX/events/in_tempY_thresh_rising_en What: /sys/.../iio:deviceX/events/in_tempY_thresh_falling_en +What: /sys/.../iio:deviceX/events/in_capacitanceY_thresh_rising_en +What: /sys/.../iio:deviceX/events/in_capacitanceY_thresh_falling_en KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: @@ -733,6 +782,32 @@ Description: a given event type is enabled a future point (and not those for whatever event was previously enabled). +What: /sys/.../events/in_capacitanceY_adaptive_thresh_rising_en +What: /sys/.../events/in_capacitanceY_adaptive_thresh_falling_en +KernelVersion: 5.13 +Contact: linux-iio@vger.kernel.org +Descrption: + Adaptive thresholds are similar to normal fixed thresholds + but the value is expressed as an offset from a value which + provides a low frequency approximation of the channel itself. + Thus these detect if a rapid change occurs in the specified + direction which crosses tracking value + offset. + Tracking value calculation is devices specific. + +What: /sys/.../in_capacitanceY_adaptive_thresh_rising_timeout +What: /sys/.../in_capacitanceY_adaptive_thresh_falling_timeout +KernelVersion: 5.11 +Contact: linux-iio@vger.kernel.org +Descrption: + When adaptive thresholds are used, the tracking signal + may adjust too slowly to step changes in the raw signal. + *_timeout (in seconds) specifies a time for which the + difference between the slow tracking signal and the raw + signal is allowed to remain out-of-range before a reset + event occurs in which the tracking signal is made equal + to the raw signal, allowing slow tracking to resume and the + adaptive threshold event detection to function as expected. + What: /sys/.../events/in_accel_thresh_rising_value What: /sys/.../events/in_accel_thresh_falling_value What: /sys/.../events/in_accel_x_raw_thresh_rising_value @@ -773,6 +848,10 @@ What: /sys/.../events/in_proximity0_thresh_falling_value What: /sys/.../events/in_proximity0_thresh_rising_value What: /sys/.../events/in_illuminance_thresh_rising_value What: /sys/.../events/in_illuminance_thresh_falling_value +What: /sys/.../events/in_capacitanceY_thresh_rising_value +What: /sys/.../events/in_capacitanceY_thresh_falling_value +What: /sys/.../events/in_capacitanceY_thresh_adaptive_rising_value +What: /sys/.../events/in_capacitanceY_thresh_falling_rising_value KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: @@ -1118,12 +1197,16 @@ Description: What: /sys/bus/iio/devices/iio:deviceX/buffer/length KernelVersion: 2.6.35 +What: /sys/bus/iio/devices/iio:deviceX/bufferY/length +KernelVersion: 5.11 Contact: linux-iio@vger.kernel.org Description: Number of scans contained by the buffer. What: /sys/bus/iio/devices/iio:deviceX/buffer/enable KernelVersion: 2.6.35 +What: /sys/bus/iio/devices/iio:deviceX/bufferY/enable +KernelVersion: 5.11 Contact: linux-iio@vger.kernel.org Description: Actually start the buffer capture up. Will start trigger @@ -1131,11 +1214,16 @@ Description: What: /sys/bus/iio/devices/iio:deviceX/scan_elements KernelVersion: 2.6.37 +What: /sys/bus/iio/devices/iio:deviceX/bufferY +KernelVersion: 5.11 Contact: linux-iio@vger.kernel.org Description: Directory containing interfaces for elements that will be captured for a single triggered sample set in the buffer. + Since kernel 5.11 the scan_elements attributes are merged into + the bufferY directory, to be configurable per buffer. + What: /sys/.../iio:deviceX/scan_elements/in_accel_x_en What: /sys/.../iio:deviceX/scan_elements/in_accel_y_en What: /sys/.../iio:deviceX/scan_elements/in_accel_z_en @@ -1164,6 +1252,34 @@ What: /sys/.../iio:deviceX/scan_elements/in_pressure_en What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_en What: /sys/.../iio:deviceX/scan_elements/in_proximity_en KernelVersion: 2.6.37 +What: /sys/.../iio:deviceX/bufferY/in_accel_x_en +What: /sys/.../iio:deviceX/bufferY/in_accel_y_en +What: /sys/.../iio:deviceX/bufferY/in_accel_z_en +What: /sys/.../iio:deviceX/bufferY/in_anglvel_x_en +What: /sys/.../iio:deviceX/bufferY/in_anglvel_y_en +What: /sys/.../iio:deviceX/bufferY/in_anglvel_z_en +What: /sys/.../iio:deviceX/bufferY/in_magn_x_en +What: /sys/.../iio:deviceX/bufferY/in_magn_y_en +What: /sys/.../iio:deviceX/bufferY/in_magn_z_en +What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_en +What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_en +What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_tilt_comp_en +What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_tilt_comp_en +What: /sys/.../iio:deviceX/bufferY/in_timestamp_en +What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_en +What: /sys/.../iio:deviceX/bufferY/in_voltageY_en +What: /sys/.../iio:deviceX/bufferY/in_voltageY-voltageZ_en +What: /sys/.../iio:deviceX/bufferY/in_voltageY_i_en +What: /sys/.../iio:deviceX/bufferY/in_voltageY_q_en +What: /sys/.../iio:deviceX/bufferY/in_voltage_i_en +What: /sys/.../iio:deviceX/bufferY/in_voltage_q_en +What: /sys/.../iio:deviceX/bufferY/in_incli_x_en +What: /sys/.../iio:deviceX/bufferY/in_incli_y_en +What: /sys/.../iio:deviceX/bufferY/in_pressureY_en +What: /sys/.../iio:deviceX/bufferY/in_pressure_en +What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_en +What: /sys/.../iio:deviceX/bufferY/in_proximity_en +KernelVersion: 5.11 Contact: linux-iio@vger.kernel.org Description: Scan element control for triggered data capture. @@ -1185,6 +1301,23 @@ What: /sys/.../iio:deviceX/scan_elements/in_pressure_type What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_type What: /sys/.../iio:deviceX/scan_elements/in_proximity_type KernelVersion: 2.6.37 +What: /sys/.../iio:deviceX/bufferY/in_accel_type +What: /sys/.../iio:deviceX/bufferY/in_anglvel_type +What: /sys/.../iio:deviceX/bufferY/in_magn_type +What: /sys/.../iio:deviceX/bufferY/in_incli_type +What: /sys/.../iio:deviceX/bufferY/in_voltageY_type +What: /sys/.../iio:deviceX/bufferY/in_voltage_type +What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_type +What: /sys/.../iio:deviceX/bufferY/in_voltageY_i_type +What: /sys/.../iio:deviceX/bufferY/in_voltageY_q_type +What: /sys/.../iio:deviceX/bufferY/in_voltage_i_type +What: /sys/.../iio:deviceX/bufferY/in_voltage_q_type +What: /sys/.../iio:deviceX/bufferY/in_timestamp_type +What: /sys/.../iio:deviceX/bufferY/in_pressureY_type +What: /sys/.../iio:deviceX/bufferY/in_pressure_type +What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_type +What: /sys/.../iio:deviceX/bufferY/in_proximity_type +KernelVersion: 5.11 Contact: linux-iio@vger.kernel.org Description: Description of the scan element data storage within the buffer @@ -1241,6 +1374,33 @@ What: /sys/.../iio:deviceX/scan_elements/in_pressure_index What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_index What: /sys/.../iio:deviceX/scan_elements/in_proximity_index KernelVersion: 2.6.37 +What: /sys/.../iio:deviceX/bufferY/in_voltageY_index +What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_index +What: /sys/.../iio:deviceX/bufferY/in_voltageY_i_index +What: /sys/.../iio:deviceX/bufferY/in_voltageY_q_index +What: /sys/.../iio:deviceX/bufferY/in_voltage_i_index +What: /sys/.../iio:deviceX/bufferY/in_voltage_q_index +What: /sys/.../iio:deviceX/bufferY/in_accel_x_index +What: /sys/.../iio:deviceX/bufferY/in_accel_y_index +What: /sys/.../iio:deviceX/bufferY/in_accel_z_index +What: /sys/.../iio:deviceX/bufferY/in_anglvel_x_index +What: /sys/.../iio:deviceX/bufferY/in_anglvel_y_index +What: /sys/.../iio:deviceX/bufferY/in_anglvel_z_index +What: /sys/.../iio:deviceX/bufferY/in_magn_x_index +What: /sys/.../iio:deviceX/bufferY/in_magn_y_index +What: /sys/.../iio:deviceX/bufferY/in_magn_z_index +What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_index +What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_index +What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_tilt_comp_index +What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_tilt_comp_index +What: /sys/.../iio:deviceX/bufferY/in_incli_x_index +What: /sys/.../iio:deviceX/bufferY/in_incli_y_index +What: /sys/.../iio:deviceX/bufferY/in_timestamp_index +What: /sys/.../iio:deviceX/bufferY/in_pressureY_index +What: /sys/.../iio:deviceX/bufferY/in_pressure_index +What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_index +What: /sys/.../iio:deviceX/bufferY/in_proximity_index +KernelVersion: 5.11 Contact: linux-iio@vger.kernel.org Description: A single positive integer specifying the position of this @@ -1455,6 +1615,8 @@ Description: What: /sys/bus/iio/devices/iio:deviceX/buffer/watermark KernelVersion: 4.2 +What: /sys/bus/iio/devices/iio:deviceX/bufferY/watermark +KernelVersion: 5.11 Contact: linux-iio@vger.kernel.org Description: A single positive integer specifying the maximum number of scan @@ -1473,6 +1635,8 @@ Description: What: /sys/bus/iio/devices/iio:deviceX/buffer/data_available KernelVersion: 4.16 +What: /sys/bus/iio/devices/iio:deviceX/bufferY/data_available +KernelVersion: 5.11 Contact: linux-iio@vger.kernel.org Description: A read-only value indicating the bytes of data available in the @@ -1823,3 +1987,12 @@ Description: hinge, keyboard, screen. It means the three channels each correspond respectively to hinge angle, keyboard angle, and screen angle. + +What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_hysteresis_relative +What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hysteresis_relative +KernelVersion: 5.12 +Contact: linux-iio@vger.kernel.org +Description: + Specify the percent for light sensor relative to the channel + absolute value that a data field should change before an event + is generated. Units are a percentage of the prior reading. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 b/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 deleted file mode 100644 index bac3d0d48b7b..000000000000 --- a/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 +++ /dev/null @@ -1,133 +0,0 @@ -What: /sys/bus/iio/devices/iio:deviceX/in_count_count_mode_available -What: /sys/bus/iio/devices/iio:deviceX/in_count_noise_error_available -What: /sys/bus/iio/devices/iio:deviceX/in_count_quadrature_mode_available -What: /sys/bus/iio/devices/iio:deviceX/in_index_index_polarity_available -What: /sys/bus/iio/devices/iio:deviceX/in_index_synchronous_mode_available -KernelVersion: 4.10 -Contact: linux-iio@vger.kernel.org -Description: - This interface is deprecated; please use the Counter subsystem. - - Discrete set of available values for the respective counter - configuration are listed in this file. - -What: /sys/bus/iio/devices/iio:deviceX/in_countY_count_mode -KernelVersion: 4.10 -Contact: linux-iio@vger.kernel.org -Description: - This interface is deprecated; please use the Counter subsystem. - - Count mode for channel Y. Four count modes are available: - normal, range limit, non-recycle, and modulo-n. The preset value - for channel Y is used by the count mode where required. - - Normal: - Counting is continuous in either direction. - - Range Limit: - An upper or lower limit is set, mimicking limit switches - in the mechanical counterpart. The upper limit is set to - the preset value, while the lower limit is set to 0. The - counter freezes at count = preset when counting up, and - at count = 0 when counting down. At either of these - limits, the counting is resumed only when the count - direction is reversed. - - Non-recycle: - Counter is disabled whenever a 24-bit count overflow or - underflow takes place. The counter is re-enabled when a - new count value is loaded to the counter via a preset - operation or write to raw. - - Modulo-N: - A count boundary is set between 0 and the preset value. - The counter is reset to 0 at count = preset when - counting up, while the counter is set to the preset - value at count = 0 when counting down; the counter does - not freeze at the bundary points, but counts - continuously throughout. - -What: /sys/bus/iio/devices/iio:deviceX/in_countY_noise_error -KernelVersion: 4.10 -Contact: linux-iio@vger.kernel.org -Description: - This interface is deprecated; please use the Counter subsystem. - - Read-only attribute that indicates whether excessive noise is - present at the channel Y count inputs in quadrature clock mode; - irrelevant in non-quadrature clock mode. - -What: /sys/bus/iio/devices/iio:deviceX/in_countY_preset -KernelVersion: 4.10 -Contact: linux-iio@vger.kernel.org -Description: - This interface is deprecated; please use the Counter subsystem. - - If the counter device supports preset registers, the preset - count for channel Y is provided by this attribute. - -What: /sys/bus/iio/devices/iio:deviceX/in_countY_quadrature_mode -KernelVersion: 4.10 -Contact: linux-iio@vger.kernel.org -Description: - This interface is deprecated; please use the Counter subsystem. - - Configure channel Y counter for non-quadrature or quadrature - clock mode. Selecting non-quadrature clock mode will disable - synchronous load mode. In quadrature clock mode, the channel Y - scale attribute selects the encoder phase division (scale of 1 - selects full-cycle, scale of 0.5 selects half-cycle, scale of - 0.25 selects quarter-cycle) processed by the channel Y counter. - - Non-quadrature: - The filter and decoder circuit are bypassed. Encoder A - input serves as the count input and B as the UP/DOWN - direction control input, with B = 1 selecting UP Count - mode and B = 0 selecting Down Count mode. - - Quadrature: - Encoder A and B inputs are digitally filtered and - decoded for UP/DN clock. - -What: /sys/bus/iio/devices/iio:deviceX/in_countY_set_to_preset_on_index -KernelVersion: 4.10 -Contact: linux-iio@vger.kernel.org -Description: - This interface is deprecated; please use the Counter subsystem. - - Whether to set channel Y counter with channel Y preset value - when channel Y index input is active, or continuously count. - Valid attribute values are boolean. - -What: /sys/bus/iio/devices/iio:deviceX/in_indexY_index_polarity -KernelVersion: 4.10 -Contact: linux-iio@vger.kernel.org -Description: - This interface is deprecated; please use the Counter subsystem. - - Active level of channel Y index input; irrelevant in - non-synchronous load mode. - -What: /sys/bus/iio/devices/iio:deviceX/in_indexY_synchronous_mode -KernelVersion: 4.10 -Contact: linux-iio@vger.kernel.org -Description: - This interface is deprecated; please use the Counter subsystem. - - Configure channel Y counter for non-synchronous or synchronous - load mode. Synchronous load mode cannot be selected in - non-quadrature clock mode. - - Non-synchronous: - A logic low level is the active level at this index - input. The index function (as enabled via - set_to_preset_on_index) is performed directly on the - active level of the index input. - - Synchronous: - Intended for interfacing with encoder Index output in - quadrature clock mode. The active level is configured - via index_polarity. The index function (as enabled via - set_to_preset_on_index) is performed synchronously with - the quadrature clock on the active level of the index - input. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 b/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 index 40df5c9fef99..9dae94aa880b 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 +++ b/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 @@ -1,11 +1,3 @@ -What: /sys/bus/iio/devices/iio:deviceX/sensor_sensitivity -Date: January 2017 -KernelVersion: 4.11 -Contact: linux-iio@vger.kernel.org -Description: - Show or set the gain boost of the amp, from 0-31 range. - default 31 - What: /sys/bus/iio/devices/iio:deviceX/sensor_max_range Date: January 2017 KernelVersion: 4.11 diff --git a/Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc2010 b/Documentation/ABI/testing/sysfs-bus-iio-humidity index 5b78af5f341d..cb0d7e75d297 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc2010 +++ b/Documentation/ABI/testing/sysfs-bus-iio-humidity @@ -6,4 +6,5 @@ Description: Controls the heater device within the humidity sensor to get rid of excess condensation. - Valid control values are 0 = OFF, and 1 = ON. + In some devices, this is just a switch in which case 0 = OFF, + and 1 = ON. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc100x b/Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc100x deleted file mode 100644 index b72bb62552cf..000000000000 --- a/Documentation/ABI/testing/sysfs-bus-iio-humidity-hdc100x +++ /dev/null @@ -1,9 +0,0 @@ -What: /sys/bus/iio/devices/iio:deviceX/out_current_heater_raw -What: /sys/bus/iio/devices/iio:deviceX/out_current_heater_raw_available -KernelVersion: 4.3 -Contact: linux-iio@vger.kernel.org -Description: - Controls the heater device within the humidity sensor to get - rid of excess condensation. - - Valid control values are 0 = OFF, and 1 = ON. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32 b/Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32 deleted file mode 100644 index 73498ff666bd..000000000000 --- a/Documentation/ABI/testing/sysfs-bus-iio-lptimer-stm32 +++ /dev/null @@ -1,62 +0,0 @@ -What: /sys/bus/iio/devices/iio:deviceX/in_count0_preset -KernelVersion: 4.13 -Contact: fabrice.gasnier@st.com -Description: - Reading returns the current preset value. Writing sets the - preset value. Encoder counts continuously from 0 to preset - value, depending on direction (up/down). - -What: /sys/bus/iio/devices/iio:deviceX/in_count_quadrature_mode_available -KernelVersion: 4.13 -Contact: fabrice.gasnier@st.com -Description: - Reading returns the list possible quadrature modes. - -What: /sys/bus/iio/devices/iio:deviceX/in_count0_quadrature_mode -KernelVersion: 4.13 -Contact: fabrice.gasnier@st.com -Description: - Configure the device counter quadrature modes: - - - non-quadrature: - Encoder IN1 input servers as the count input (up - direction). - - - quadrature: - Encoder IN1 and IN2 inputs are mixed to get direction - and count. - -What: /sys/bus/iio/devices/iio:deviceX/in_count_polarity_available -KernelVersion: 4.13 -Contact: fabrice.gasnier@st.com -Description: - Reading returns the list possible active edges. - -What: /sys/bus/iio/devices/iio:deviceX/in_count0_polarity -KernelVersion: 4.13 -Contact: fabrice.gasnier@st.com -Description: - Configure the device encoder/counter active edge: - - - rising-edge - - falling-edge - - both-edges - - In non-quadrature mode, device counts up on active edge. - - In quadrature mode, encoder counting scenarios are as follows: - - +---------+----------+--------------------+--------------------+ - | Active | Level on | IN1 signal | IN2 signal | - | edge | opposite +----------+---------+----------+---------+ - | | signal | Rising | Falling | Rising | Falling | - +---------+----------+----------+---------+----------+---------+ - | Rising | High -> | Down | - | Up | - | - | edge | Low -> | Up | - | Down | - | - +---------+----------+----------+---------+----------+---------+ - | Falling | High -> | - | Up | - | Down | - | edge | Low -> | - | Down | - | Up | - +---------+----------+----------+---------+----------+---------+ - | Both | High -> | Down | Up | Up | Down | - | edges | Low -> | Up | Down | Down | Up | - +---------+----------+----------+---------+----------+---------+ diff --git a/Documentation/ABI/testing/sysfs-bus-iio-proximity b/Documentation/ABI/testing/sysfs-bus-iio-proximity index 2172f3bb9c64..3aac6dab8775 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-proximity +++ b/Documentation/ABI/testing/sysfs-bus-iio-proximity @@ -8,3 +8,17 @@ Description: considered close to the device. If the value read from the sensor is above or equal to the value in this file an object should typically be considered near. + +What: /sys/bus/iio/devices/iio:deviceX/sensor_sensitivity +Date: March 2014 +KernelVersion: 3.15 +Contact: linux-iio@vger.kernel.org +Description: + Proximity sensors sometimes have a controllable amplifier + on the signal from which time of flight measurements are + taken. + The appropriate values to take is dependent on both the + sensor and it's operating environment: + * as3935 (0-31 range) + 18 = indoors (default) + 14 = outdoors diff --git a/Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935 b/Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935 index c59d95346341..1e5c40775a6c 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935 +++ b/Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935 @@ -6,15 +6,6 @@ Description: Get the current distance in meters of storm (1km steps) 1000-40000 = distance in meters -What: /sys/bus/iio/devices/iio:deviceX/sensor_sensitivity -Date: March 2014 -KernelVersion: 3.15 -Contact: Matt Ranostay <matt.ranostay@konsulko.com> -Description: - Show or set the gain boost of the amp, from 0-31 range. - 18 = indoors (default) - 14 = outdoors - What /sys/bus/iio/devices/iio:deviceX/noise_level_tripped Date: May 2017 KernelVersion: 4.13 |