1What: /sys/bus/iio/devices/iio:deviceX 2KernelVersion: 2.6.35 3Contact: linux-iio@vger.kernel.org 4Description: 5 Hardware chip or device accessed by one communication port. 6 Corresponds to a grouping of sensor channels. X is the IIO 7 index of the device. 8 9What: /sys/bus/iio/devices/triggerX 10KernelVersion: 2.6.35 11Contact: linux-iio@vger.kernel.org 12Description: 13 An event driven driver of data capture to an in kernel buffer. 14 May be provided by a device driver that also has an IIO device 15 based on hardware generated events (e.g. data ready) or 16 provided by a separate driver for other hardware (e.g. 17 periodic timer, GPIO or high resolution timer). 18 19 Contains trigger type specific elements. These do not 20 generalize well and hence are not documented in this file. 21 X is the IIO index of the trigger. 22 23What: /sys/bus/iio/devices/iio:deviceX/buffer 24KernelVersion: 2.6.35 25Contact: linux-iio@vger.kernel.org 26Description: 27 Directory of attributes relating to the buffer for the device. 28 29What: /sys/bus/iio/devices/iio:deviceX/name 30KernelVersion: 2.6.35 31Contact: linux-iio@vger.kernel.org 32Description: 33 Description of the physical chip / device for device X. 34 Typically a part number. 35 36What: /sys/bus/iio/devices/iio:deviceX/current_timestamp_clock 37KernelVersion: 4.5 38Contact: linux-iio@vger.kernel.org 39Description: 40 String identifying current posix clock used to timestamp 41 buffered samples and events for device X. 42 43What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency 44What: /sys/bus/iio/devices/iio:deviceX/in_intensity_sampling_frequency 45What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency 46What: /sys/bus/iio/devices/triggerX/sampling_frequency 47KernelVersion: 2.6.35 48Contact: linux-iio@vger.kernel.org 49Description: 50 Some devices have internal clocks. This parameter sets the 51 resulting sampling frequency. In many devices this 52 parameter has an effect on input filters etc. rather than 53 simply controlling when the input is sampled. As this 54 affects data ready triggers, hardware buffers and the sysfs 55 direct access interfaces, it may be found in any of the 56 relevant directories. If it affects all of the above 57 then it is to be found in the base device directory. 58 59What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency_available 60What: /sys/bus/iio/devices/iio:deviceX/in_intensity_sampling_frequency_available 61What: /sys/bus/iio/devices/iio:deviceX/in_proximity_sampling_frequency_available 62What: /sys/.../iio:deviceX/buffer/sampling_frequency_available 63What: /sys/bus/iio/devices/triggerX/sampling_frequency_available 64KernelVersion: 2.6.35 65Contact: linux-iio@vger.kernel.org 66Description: 67 When the internal sampling clock can only take a specific set of 68 frequencies, we can specify the available values with: 69 70 - a small discrete set of values like "0 2 4 6 8" 71 - a range with minimum, step and maximum frequencies like 72 "[min step max]" 73 74What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio 75KernelVersion: 2.6.38 76Contact: linux-iio@vger.kernel.org 77Description: 78 Hardware dependent ADC oversampling. Controls the sampling ratio 79 of the digital filter if available. 80 81What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio_available 82KernelVersion: 2.6.38 83Contact: linux-iio@vger.kernel.org 84Description: 85 Hardware dependent values supported by the oversampling filter. 86 87What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_raw 88What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_raw 89What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_raw 90What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_raw 91KernelVersion: 2.6.35 92Contact: linux-iio@vger.kernel.org 93Description: 94 Raw (unscaled no bias removal etc.) voltage measurement from 95 channel Y. In special cases where the channel does not 96 correspond to externally available input one of the named 97 versions may be used. The number must always be specified and 98 unique to allow association with event codes. Units after 99 application of scale and offset are millivolts. 100 101 Channels with 'i' and 'q' modifiers always exist in pairs and both 102 channels refer to the same signal. The 'i' channel contains the in-phase 103 component of the signal while the 'q' channel contains the quadrature 104 component. 105 106What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_raw 107KernelVersion: 2.6.35 108Contact: linux-iio@vger.kernel.org 109Description: 110 Raw (unscaled) differential voltage measurement equivalent to 111 channel Y - channel Z where these channel numbers apply to the 112 physically equivalent inputs when non differential readings are 113 separately available. In differential only parts, then all that 114 is required is a consistent labeling. Units after application 115 of scale and offset are millivolts. 116 117What: /sys/bus/iio/devices/iio:deviceX/in_currentY_raw 118What: /sys/bus/iio/devices/iio:deviceX/in_currentY_supply_raw 119KernelVersion: 3.17 120Contact: linux-iio@vger.kernel.org 121Description: 122 Raw (unscaled no bias removal etc.) current measurement from 123 channel Y. In special cases where the channel does not 124 correspond to externally available input one of the named 125 versions may be used. The number must always be specified and 126 unique to allow association with event codes. Units after 127 application of scale and offset are milliamps. 128 129What: /sys/bus/iio/devices/iio:deviceX/in_powerY_raw 130KernelVersion: 4.5 131Contact: linux-iio@vger.kernel.org 132Description: 133 Raw (unscaled no bias removal etc.) power measurement from 134 channel Y. The number must always be specified and 135 unique to allow association with event codes. Units after 136 application of scale and offset are milliwatts. 137 138What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceY_raw 139KernelVersion: 3.2 140Contact: linux-iio@vger.kernel.org 141Description: 142 Raw capacitance measurement from channel Y. Units after 143 application of scale and offset are nanofarads. 144 145What: /sys/.../iio:deviceX/in_capacitanceY-in_capacitanceZ_raw 146KernelVersion: 3.2 147Contact: linux-iio@vger.kernel.org 148Description: 149 Raw differential capacitance measurement equivalent to 150 channel Y - channel Z where these channel numbers apply to the 151 physically equivalent inputs when non differential readings are 152 separately available. In differential only parts, then all that 153 is required is a consistent labeling. Units after application 154 of scale and offset are nanofarads. 155 156What: /sys/bus/iio/devices/iio:deviceX/in_temp_raw 157What: /sys/bus/iio/devices/iio:deviceX/in_tempX_raw 158What: /sys/bus/iio/devices/iio:deviceX/in_temp_x_raw 159What: /sys/bus/iio/devices/iio:deviceX/in_temp_y_raw 160What: /sys/bus/iio/devices/iio:deviceX/in_temp_ambient_raw 161What: /sys/bus/iio/devices/iio:deviceX/in_temp_object_raw 162KernelVersion: 2.6.35 163Contact: linux-iio@vger.kernel.org 164Description: 165 Raw (unscaled no bias removal etc.) temperature measurement. 166 If an axis is specified it generally means that the temperature 167 sensor is associated with one part of a compound device (e.g. 168 a gyroscope axis). The ambient and object modifiers distinguish 169 between ambient (reference) and distant temperature for contact- 170 less measurements. Units after application of scale and offset 171 are milli degrees Celsius. 172 173What: /sys/bus/iio/devices/iio:deviceX/in_tempX_input 174KernelVersion: 2.6.38 175Contact: linux-iio@vger.kernel.org 176Description: 177 Scaled temperature measurement in milli degrees Celsius. 178 179What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_raw 180What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_raw 181What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_raw 182KernelVersion: 2.6.35 183Contact: linux-iio@vger.kernel.org 184Description: 185 Acceleration in direction x, y or z (may be arbitrarily assigned 186 but should match other such assignments on device). 187 Has all of the equivalent parameters as per voltageY. Units 188 after application of scale and offset are m/s^2. 189 190What: /sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw 191What: /sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw 192What: /sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw 193KernelVersion: 4.11 194Contact: linux-iio@vger.kernel.org 195Description: 196 Gravity in direction x, y or z (may be arbitrarily assigned 197 but should match other such assignments on device). 198 Units after application of scale and offset are m/s^2. 199 200What: /sys/bus/iio/devices/iio:deviceX/in_angl_raw 201What: /sys/bus/iio/devices/iio:deviceX/in_anglY_raw 202KernelVersion: 4.17 203Contact: linux-iio@vger.kernel.org 204Description: 205 Angle of rotation. Units after application of scale and offset 206 are radians. 207 208What: /sys/bus/iio/devices/iio:deviceX/in_positionrelative_x_raw 209What: /sys/bus/iio/devices/iio:deviceX/in_positionrelative_y_raw 210KernelVersion: 4.19 211Contact: linux-iio@vger.kernel.org 212Description: 213 Relative position in direction x or y on a pad (may be 214 arbitrarily assigned but should match other such assignments on 215 device). 216 Units after application of scale and offset are milli percents 217 from the pad's size in both directions. Should be calibrated by 218 the consumer. 219 220What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw 221What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw 222What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw 223KernelVersion: 2.6.35 224Contact: linux-iio@vger.kernel.org 225Description: 226 Angular velocity about axis x, y or z (may be arbitrarily 227 assigned). Has all the equivalent parameters as per voltageY. 228 Units after application of scale and offset are radians per 229 second. 230 231What: /sys/bus/iio/devices/iio:deviceX/in_incli_x_raw 232What: /sys/bus/iio/devices/iio:deviceX/in_incli_y_raw 233What: /sys/bus/iio/devices/iio:deviceX/in_incli_z_raw 234KernelVersion: 2.6.35 235Contact: linux-iio@vger.kernel.org 236Description: 237 Inclination raw reading about axis x, y or z (may be 238 arbitrarily assigned). Data converted by application of offset 239 and scale to degrees. 240 241What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_raw 242What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_raw 243What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_raw 244KernelVersion: 2.6.35 245Contact: linux-iio@vger.kernel.org 246Description: 247 Magnetic field along axis x, y or z (may be arbitrarily 248 assigned). Data converted by application of offset 249 then scale to Gauss. 250 251What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_peak_raw 252What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_peak_raw 253What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_peak_raw 254KernelVersion: 2.6.36 255Contact: linux-iio@vger.kernel.org 256Description: 257 Highest value since some reset condition. These 258 attributes allow access to this and are otherwise 259 the direct equivalent of the <type>Y[_name]_raw attributes. 260 261What: /sys/bus/iio/devices/iio:deviceX/in_accel_xyz_squared_peak_raw 262KernelVersion: 2.6.36 263Contact: linux-iio@vger.kernel.org 264Description: 265 A computed peak value based on the sum squared magnitude of 266 the underlying value in the specified directions. 267 268What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_raw 269What: /sys/bus/iio/devices/iio:deviceX/in_pressure_raw 270KernelVersion: 3.8 271Contact: linux-iio@vger.kernel.org 272Description: 273 Raw pressure measurement from channel Y. Units after 274 application of scale and offset are kilopascal. 275 276What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_input 277What: /sys/bus/iio/devices/iio:deviceX/in_pressure_input 278KernelVersion: 3.8 279Contact: linux-iio@vger.kernel.org 280Description: 281 Scaled pressure measurement from channel Y, in kilopascal. 282 283What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_raw 284KernelVersion: 3.14 285Contact: linux-iio@vger.kernel.org 286Description: 287 Raw humidity measurement of air. Units after application of 288 scale and offset are milli percent. 289 290What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_input 291KernelVersion: 3.14 292Contact: linux-iio@vger.kernel.org 293Description: 294 Scaled humidity measurement in milli percent. 295 296What: /sys/bus/iio/devices/iio:deviceX/in_X_mean_raw 297KernelVersion: 3.5 298Contact: linux-iio@vger.kernel.org 299Description: 300 Averaged raw measurement from channel X. The number of values 301 used for averaging is device specific. The converting rules for 302 normal raw values also applies to the averaged raw values. 303 304What: /sys/bus/iio/devices/iio:deviceX/in_accel_offset 305What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_offset 306What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset 307What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_offset 308What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_offset 309What: /sys/bus/iio/devices/iio:deviceX/in_voltage_offset 310What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_offset 311What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_offset 312What: /sys/bus/iio/devices/iio:deviceX/in_voltage_q_offset 313What: /sys/bus/iio/devices/iio:deviceX/in_voltage_i_offset 314What: /sys/bus/iio/devices/iio:deviceX/in_currentY_offset 315What: /sys/bus/iio/devices/iio:deviceX/in_current_offset 316What: /sys/bus/iio/devices/iio:deviceX/in_currentY_i_offset 317What: /sys/bus/iio/devices/iio:deviceX/in_currentY_q_offset 318What: /sys/bus/iio/devices/iio:deviceX/in_current_q_offset 319What: /sys/bus/iio/devices/iio:deviceX/in_current_i_offset 320What: /sys/bus/iio/devices/iio:deviceX/in_tempY_offset 321What: /sys/bus/iio/devices/iio:deviceX/in_temp_offset 322What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_offset 323What: /sys/bus/iio/devices/iio:deviceX/in_pressure_offset 324What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_offset 325What: /sys/bus/iio/devices/iio:deviceX/in_magn_offset 326What: /sys/bus/iio/devices/iio:deviceX/in_rot_offset 327What: /sys/bus/iio/devices/iio:deviceX/in_angl_offset 328KernelVersion: 2.6.35 329Contact: linux-iio@vger.kernel.org 330Description: 331 If known for a device, offset to be added to <type>[Y]_raw prior 332 to scaling by <type>[Y]_scale in order to obtain value in the 333 <type> units as specified in <type>[Y]_raw documentation. 334 Not present if the offset is always 0 or unknown. If Y or 335 axis <x|y|z> is not present, then the offset applies to all 336 in channels of <type>. 337 May be writable if a variable offset can be applied on the 338 device. Note that this is different to calibbias which 339 is for devices (or drivers) that apply offsets to compensate 340 for variation between different instances of the part, typically 341 adjusted by using some hardware supported calibration procedure. 342 Calibbias is applied internally, offset is applied in userspace 343 to the _raw output. 344 345What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale 346What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_scale 347What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_scale 348What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale 349What: /sys/bus/iio/devices/iio:deviceX/in_voltage_scale 350What: /sys/bus/iio/devices/iio:deviceX/in_voltage_i_scale 351What: /sys/bus/iio/devices/iio:deviceX/in_voltage_q_scale 352What: /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_scale 353What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale 354What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale 355What: /sys/bus/iio/devices/iio:deviceX/in_currentY_scale 356What: /sys/bus/iio/devices/iio:deviceX/in_currentY_supply_scale 357What: /sys/bus/iio/devices/iio:deviceX/in_current_scale 358What: /sys/bus/iio/devices/iio:deviceX/in_currentY_i_scale 359What: /sys/bus/iio/devices/iio:deviceX/in_currentY_q_scale 360What: /sys/bus/iio/devices/iio:deviceX/in_current_i_scale 361What: /sys/bus/iio/devices/iio:deviceX/in_current_q_scale 362What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale 363What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale 364What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale 365What: /sys/bus/iio/devices/iio:deviceX/in_energy_scale 366What: /sys/bus/iio/devices/iio:deviceX/in_distance_scale 367What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale 368What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale 369What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale 370What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_scale 371What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_scale 372What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_scale 373What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_tilt_comp_scale 374What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_tilt_comp_scale 375What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_scale 376What: /sys/bus/iio/devices/iio:deviceX/in_pressure_scale 377What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_scale 378What: /sys/bus/iio/devices/iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_scale 379What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_scale 380What: /sys/bus/iio/devices/iio:deviceX/in_countY_scale 381What: /sys/bus/iio/devices/iio:deviceX/in_angl_scale 382What: /sys/bus/iio/devices/iio:deviceX/in_intensity_x_scale 383What: /sys/bus/iio/devices/iio:deviceX/in_intensity_y_scale 384What: /sys/bus/iio/devices/iio:deviceX/in_intensity_z_scale 385KernelVersion: 2.6.35 386Contact: linux-iio@vger.kernel.org 387Description: 388 If known for a device, scale to be applied to <type>Y[_name]_raw 389 post addition of <type>[Y][_name]_offset in order to obtain the 390 measured value in <type> units as specified in 391 <type>[Y][_name]_raw documentation. If shared across all in 392 channels then Y and <x|y|z> are not present and the value is 393 called <type>[Y][_name]_scale. The peak modifier means this 394 value is applied to <type>Y[_name]_peak_raw values. 395 396What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibbias 397What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibbias 398What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibbias 399What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibbias 400What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibbias 401What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibbias 402What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibbias 403What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibbias 404What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibbias 405What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibbias 406KernelVersion: 2.6.35 407Contact: linux-iio@vger.kernel.org 408Description: 409 Hardware applied calibration offset (assumed to fix production 410 inaccuracies). 411 412What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale 413What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_calibscale 414What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_calibscale 415What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_calibscale 416What: /sys/bus/iio/devices/iio:deviceX/in_voltage_i_calibscale 417What: /sys/bus/iio/devices/iio:deviceX/in_voltage_q_calibscale 418What: /sys/bus/iio/devices/iio:deviceX/in_voltage_calibscale 419What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibscale 420What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibscale 421What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibscale 422What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibscale 423What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibscale 424What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibscale 425What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibscale 426What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibscale 427What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibscale 428What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibscale 429What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_calibscale 430KernelVersion: 2.6.35 431Contact: linux-iio@vger.kernel.org 432Description: 433 Hardware applied calibration scale factor (assumed to fix 434 production inaccuracies). If shared across all channels, 435 <type>_calibscale is used. 436 437What: /sys/bus/iio/devices/iio:deviceX/in_activity_calibgender 438What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibgender 439What: /sys/bus/iio/devices/iio:deviceX/in_distance_calibgender 440What: /sys/bus/iio/devices/iio:deviceX/in_velocity_calibgender 441KernelVersion: 4.0 442Contact: linux-iio@vger.kernel.org 443Description: 444 Gender of the user (e.g.: male, female) used by some pedometers 445 to compute the stride length, distance, speed and activity 446 type. 447 448What: /sys/bus/iio/devices/iio:deviceX/in_activity_calibgender_available 449What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibgender_available 450What: /sys/bus/iio/devices/iio:deviceX/in_distance_calibgender_available 451What: /sys/bus/iio/devices/iio:deviceX/in_velocity_calibgender_available 452KernelVersion: 4.0 453Contact: linux-iio@vger.kernel.org 454Description: 455 Lists all available gender values (e.g.: male, female). 456 457What: /sys/bus/iio/devices/iio:deviceX/in_activity_calibheight 458What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibheight 459What: /sys/bus/iio/devices/iio:deviceX/in_distance_calibheight 460What: /sys/bus/iio/devices/iio:deviceX/in_velocity_calibheight 461KernelVersion: 3.19 462Contact: linux-iio@vger.kernel.org 463Description: 464 Height of the user (in meters) used by some pedometers 465 to compute the stride length, distance, speed and activity 466 type. 467 468What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibweight 469KernelVersion: 4.0 470Contact: linux-iio@vger.kernel.org 471Description: 472 Weight of the user (in kg). It is needed by some pedometers 473 to compute the calories burnt by the user. 474 475What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available 476What: /sys/.../iio:deviceX/in_anglvel_scale_available 477What: /sys/.../iio:deviceX/in_magn_scale_available 478What: /sys/.../iio:deviceX/in_illuminance_scale_available 479What: /sys/.../iio:deviceX/in_intensity_scale_available 480What: /sys/.../iio:deviceX/in_proximity_scale_available 481What: /sys/.../iio:deviceX/in_voltageX_scale_available 482What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available 483What: /sys/.../iio:deviceX/out_voltageX_scale_available 484What: /sys/.../iio:deviceX/out_altvoltageX_scale_available 485What: /sys/.../iio:deviceX/in_capacitance_scale_available 486What: /sys/.../iio:deviceX/in_pressure_scale_available 487What: /sys/.../iio:deviceX/in_pressureY_scale_available 488KernelVersion: 2.6.35 489Contact: linux-iio@vger.kernel.org 490Description: 491 If a discrete set of scale values is available, they 492 are listed in this attribute. 493 494What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_hardwaregain 495What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hardwaregain 496What: /sys/bus/iio/devices/iio:deviceX/in_intensity_red_hardwaregain 497What: /sys/bus/iio/devices/iio:deviceX/in_intensity_green_hardwaregain 498What: /sys/bus/iio/devices/iio:deviceX/in_intensity_blue_hardwaregain 499What: /sys/bus/iio/devices/iio:deviceX/in_intensity_clear_hardwaregain 500KernelVersion: 2.6.35 501Contact: linux-iio@vger.kernel.org 502Description: 503 Hardware applied gain factor. If shared across all channels, 504 <type>_hardwaregain is used. 505 506What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hardwaregain_available 507KernelVersion: 5.10 508Contact: linux-iio@vger.kernel.org 509Description: 510 Lists all available hardware applied gain factors. Shared across all 511 channels. 512 513What: /sys/.../in_accel_filter_low_pass_3db_frequency 514What: /sys/.../in_magn_filter_low_pass_3db_frequency 515What: /sys/.../in_anglvel_filter_low_pass_3db_frequency 516KernelVersion: 3.2 517Contact: linux-iio@vger.kernel.org 518Description: 519 If a known or controllable low pass filter is applied 520 to the underlying data channel, then this parameter 521 gives the 3dB frequency of the filter in Hz. 522 523What: /sys/.../in_accel_filter_high_pass_3db_frequency 524What: /sys/.../in_anglvel_filter_high_pass_3db_frequency 525What: /sys/.../in_magn_filter_high_pass_3db_frequency 526KernelVersion: 4.2 527Contact: linux-iio@vger.kernel.org 528Description: 529 If a known or controllable high pass filter is applied 530 to the underlying data channel, then this parameter 531 gives the 3dB frequency of the filter in Hz. 532 533What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw 534What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw 535KernelVersion: 2.6.37 536Contact: linux-iio@vger.kernel.org 537Description: 538 Raw (unscaled, no bias etc.) output voltage for 539 channel Y. The number must always be specified and 540 unique if the output corresponds to a single channel. 541 While DAC like devices typically use out_voltage, 542 a continuous frequency generating device, such as 543 a DDS or PLL should use out_altvoltage. 544 545What: /sys/bus/iio/devices/iio:deviceX/out_voltageY&Z_raw 546What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY&Z_raw 547KernelVersion: 2.6.37 548Contact: linux-iio@vger.kernel.org 549Description: 550 Raw (unscaled, no bias etc.) output voltage for an aggregate of 551 channel Y, channel Z, etc. This interface is available in cases 552 where a single output sets the value for multiple channels 553 simultaneously. 554 555What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown_mode 556What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown_mode 557What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown_mode 558What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown_mode 559KernelVersion: 2.6.38 560Contact: linux-iio@vger.kernel.org 561Description: 562 Specifies the output powerdown mode. 563 DAC output stage is disconnected from the amplifier and 564 1kohm_to_gnd: connected to ground via an 1kOhm resistor, 565 2.5kohm_to_gnd: connected to ground via a 2.5kOhm resistor, 566 6kohm_to_gnd: connected to ground via a 6kOhm resistor, 567 20kohm_to_gnd: connected to ground via a 20kOhm resistor, 568 90kohm_to_gnd: connected to ground via a 90kOhm resistor, 569 100kohm_to_gnd: connected to ground via an 100kOhm resistor, 570 125kohm_to_gnd: connected to ground via an 125kOhm resistor, 571 500kohm_to_gnd: connected to ground via a 500kOhm resistor, 572 640kohm_to_gnd: connected to ground via a 640kOhm resistor, 573 three_state: left floating. 574 For a list of available output power down options read 575 outX_powerdown_mode_available. If Y is not present the 576 mode is shared across all outputs. 577 578What: /sys/.../iio:deviceX/out_voltageY_powerdown_mode_available 579What: /sys/.../iio:deviceX/out_voltage_powerdown_mode_available 580What: /sys/.../iio:deviceX/out_altvoltageY_powerdown_mode_available 581What: /sys/.../iio:deviceX/out_altvoltage_powerdown_mode_available 582KernelVersion: 2.6.38 583Contact: linux-iio@vger.kernel.org 584Description: 585 Lists all available output power down modes. 586 If Y is not present the mode is shared across all outputs. 587 588What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown 589What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown 590What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown 591What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown 592KernelVersion: 2.6.38 593Contact: linux-iio@vger.kernel.org 594Description: 595 Writing 1 causes output Y to enter the power down mode specified 596 by the corresponding outY_powerdown_mode. DAC output stage is 597 disconnected from the amplifier. Clearing returns to normal 598 operation. Y may be suppressed if all outputs are controlled 599 together. 600 601What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency 602KernelVersion: 3.4.0 603Contact: linux-iio@vger.kernel.org 604Description: 605 Output frequency for channel Y in Hz. The number must always be 606 specified and unique if the output corresponds to a single 607 channel. 608 609What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_phase 610KernelVersion: 3.4.0 611Contact: linux-iio@vger.kernel.org 612Description: 613 Phase in radians of one frequency/clock output Y 614 (out_altvoltageY) relative to another frequency/clock output 615 (out_altvoltageZ) of the device X. The number must always be 616 specified and unique if the output corresponds to a single 617 channel. 618 619What: /sys/bus/iio/devices/iio:deviceX/events 620KernelVersion: 2.6.35 621Contact: linux-iio@vger.kernel.org 622Description: 623 Configuration of which hardware generated events are passed up 624 to user-space. 625 626What: /sys/.../iio:deviceX/events/in_accel_x_thresh_rising_en 627What: /sys/.../iio:deviceX/events/in_accel_x_thresh_falling_en 628What: /sys/.../iio:deviceX/events/in_accel_y_thresh_rising_en 629What: /sys/.../iio:deviceX/events/in_accel_y_thresh_falling_en 630What: /sys/.../iio:deviceX/events/in_accel_z_thresh_rising_en 631What: /sys/.../iio:deviceX/events/in_accel_z_thresh_falling_en 632What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_rising_en 633What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_falling_en 634What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_rising_en 635What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_falling_en 636What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_rising_en 637What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_falling_en 638What: /sys/.../iio:deviceX/events/in_magn_x_thresh_rising_en 639What: /sys/.../iio:deviceX/events/in_magn_x_thresh_falling_en 640What: /sys/.../iio:deviceX/events/in_magn_y_thresh_rising_en 641What: /sys/.../iio:deviceX/events/in_magn_y_thresh_falling_en 642What: /sys/.../iio:deviceX/events/in_magn_z_thresh_rising_en 643What: /sys/.../iio:deviceX/events/in_magn_z_thresh_falling_en 644What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_thresh_rising_en 645What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_thresh_falling_en 646What: /sys/.../iio:deviceX/events/in_rot_from_north_true_thresh_rising_en 647What: /sys/.../iio:deviceX/events/in_rot_from_north_true_thresh_falling_en 648What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_thresh_rising_en 649What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_thresh_falling_en 650What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_thresh_rising_en 651What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_thresh_falling_en 652What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_rising_en 653What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_falling_en 654What: /sys/.../iio:deviceX/events/in_voltageY_thresh_rising_en 655What: /sys/.../iio:deviceX/events/in_voltageY_thresh_falling_en 656What: /sys/.../iio:deviceX/events/in_voltageY_thresh_either_en 657What: /sys/.../iio:deviceX/events/in_tempY_thresh_rising_en 658What: /sys/.../iio:deviceX/events/in_tempY_thresh_falling_en 659KernelVersion: 2.6.37 660Contact: linux-iio@vger.kernel.org 661Description: 662 Event generated when channel passes a threshold in the specified 663 (_rising|_falling) direction. If the direction is not specified, 664 then either the device will report an event which ever direction 665 a single threshold value is passed in (e.g. 666 <type>[Y][_name]_<raw|input>_thresh_value) or 667 <type>[Y][_name]_<raw|input>_thresh_rising_value and 668 <type>[Y][_name]_<raw|input>_thresh_falling_value may take 669 different values, but the device can only enable both thresholds 670 or neither. 671 672 Note the driver will assume the last p events requested are 673 to be enabled where p is how many it supports (which may vary 674 depending on the exact set requested. So if you want to be 675 sure you have set what you think you have, check the contents of 676 these attributes after everything is configured. Drivers may 677 have to buffer any parameters so that they are consistent when 678 a given event type is enabled at a future point (and not those for 679 whatever event was previously enabled). 680 681What: /sys/.../iio:deviceX/events/in_accel_x_roc_rising_en 682What: /sys/.../iio:deviceX/events/in_accel_x_roc_falling_en 683What: /sys/.../iio:deviceX/events/in_accel_y_roc_rising_en 684What: /sys/.../iio:deviceX/events/in_accel_y_roc_falling_en 685What: /sys/.../iio:deviceX/events/in_accel_z_roc_rising_en 686What: /sys/.../iio:deviceX/events/in_accel_z_roc_falling_en 687What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_rising_en 688What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_falling_en 689What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_rising_en 690What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_falling_en 691What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_rising_en 692What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_falling_en 693What: /sys/.../iio:deviceX/events/in_magn_x_roc_rising_en 694What: /sys/.../iio:deviceX/events/in_magn_x_roc_falling_en 695What: /sys/.../iio:deviceX/events/in_magn_y_roc_rising_en 696What: /sys/.../iio:deviceX/events/in_magn_y_roc_falling_en 697What: /sys/.../iio:deviceX/events/in_magn_z_roc_rising_en 698What: /sys/.../iio:deviceX/events/in_magn_z_roc_falling_en 699What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_roc_rising_en 700What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_roc_falling_en 701What: /sys/.../iio:deviceX/events/in_rot_from_north_true_roc_rising_en 702What: /sys/.../iio:deviceX/events/in_rot_from_north_true_roc_falling_en 703What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_roc_rising_en 704What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_roc_falling_en 705What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_roc_rising_en 706What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_roc_falling_en 707What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_rising_en 708What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_falling_en 709What: /sys/.../iio:deviceX/events/in_voltageY_roc_rising_en 710What: /sys/.../iio:deviceX/events/in_voltageY_roc_falling_en 711What: /sys/.../iio:deviceX/events/in_tempY_roc_rising_en 712What: /sys/.../iio:deviceX/events/in_tempY_roc_falling_en 713KernelVersion: 2.6.37 714Contact: linux-iio@vger.kernel.org 715Description: 716 Event generated when channel passes a threshold on the rate of 717 change (1st differential) in the specified (_rising|_falling) 718 direction. If the direction is not specified, then either the 719 device will report an event which ever direction a single 720 threshold value is passed in (e.g. 721 <type>[Y][_name]_<raw|input>_roc_value) or 722 <type>[Y][_name]_<raw|input>_roc_rising_value and 723 <type>[Y][_name]_<raw|input>_roc_falling_value may take 724 different values, but the device can only enable both rate of 725 change thresholds or neither. 726 727 Note the driver will assume the last p events requested are 728 to be enabled where p is however many it supports (which may 729 vary depending on the exact set requested. So if you want to be 730 sure you have set what you think you have, check the contents of 731 these attributes after everything is configured. Drivers may 732 have to buffer any parameters so that they are consistent when 733 a given event type is enabled a future point (and not those for 734 whatever event was previously enabled). 735 736What: /sys/.../events/in_accel_thresh_rising_value 737What: /sys/.../events/in_accel_thresh_falling_value 738What: /sys/.../events/in_accel_x_raw_thresh_rising_value 739What: /sys/.../events/in_accel_x_raw_thresh_falling_value 740What: /sys/.../events/in_accel_y_raw_thresh_rising_value 741What: /sys/.../events/in_accel_y_raw_thresh_falling_value 742What: /sys/.../events/in_accel_z_raw_thresh_rising_value 743What: /sys/.../events/in_accel_z_raw_thresh_falling_value 744What: /sys/.../events/in_anglvel_x_raw_thresh_rising_value 745What: /sys/.../events/in_anglvel_x_raw_thresh_falling_value 746What: /sys/.../events/in_anglvel_y_raw_thresh_rising_value 747What: /sys/.../events/in_anglvel_y_raw_thresh_falling_value 748What: /sys/.../events/in_anglvel_z_raw_thresh_rising_value 749What: /sys/.../events/in_anglvel_z_raw_thresh_falling_value 750What: /sys/.../events/in_magn_x_raw_thresh_rising_value 751What: /sys/.../events/in_magn_x_raw_thresh_falling_value 752What: /sys/.../events/in_magn_y_raw_thresh_rising_value 753What: /sys/.../events/in_magn_y_raw_thresh_falling_value 754What: /sys/.../events/in_magn_z_raw_thresh_rising_value 755What: /sys/.../events/in_magn_z_raw_thresh_falling_value 756What: /sys/.../events/in_rot_from_north_magnetic_raw_thresh_rising_value 757What: /sys/.../events/in_rot_from_north_magnetic_raw_thresh_falling_value 758What: /sys/.../events/in_rot_from_north_true_raw_thresh_rising_value 759What: /sys/.../events/in_rot_from_north_true_raw_thresh_falling_value 760What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_thresh_rising_value 761What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_thresh_falling_value 762What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_thresh_rising_value 763What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_thresh_falling_value 764What: /sys/.../events/in_voltageY_supply_raw_thresh_rising_value 765What: /sys/.../events/in_voltageY_supply_raw_thresh_falling_value 766What: /sys/.../events/in_voltageY_raw_thresh_rising_value 767What: /sys/.../events/in_voltageY_raw_thresh_falling_value 768What: /sys/.../events/in_tempY_raw_thresh_rising_value 769What: /sys/.../events/in_tempY_raw_thresh_falling_value 770What: /sys/.../events/in_illuminance0_thresh_falling_value 771What: /sys/.../events/in_illuminance0_thresh_rising_value 772What: /sys/.../events/in_proximity0_thresh_falling_value 773What: /sys/.../events/in_proximity0_thresh_rising_value 774What: /sys/.../events/in_illuminance_thresh_rising_value 775What: /sys/.../events/in_illuminance_thresh_falling_value 776KernelVersion: 2.6.37 777Contact: linux-iio@vger.kernel.org 778Description: 779 Specifies the value of threshold that the device is comparing 780 against for the events enabled by 781 <type>Y[_name]_thresh[_rising|falling]_en. 782 783 If separate attributes exist for the two directions, but 784 direction is not specified for this attribute, then a single 785 threshold value applies to both directions. 786 787 The raw or input element of the name indicates whether the 788 value is in raw device units or in processed units (as _raw 789 and _input do on sysfs direct channel read attributes). 790 791What: /sys/.../events/in_accel_scale 792What: /sys/.../events/in_accel_peak_scale 793What: /sys/.../events/in_anglvel_scale 794What: /sys/.../events/in_magn_scale 795What: /sys/.../events/in_rot_from_north_magnetic_scale 796What: /sys/.../events/in_rot_from_north_true_scale 797What: /sys/.../events/in_voltage_scale 798What: /sys/.../events/in_voltage_supply_scale 799What: /sys/.../events/in_temp_scale 800What: /sys/.../events/in_illuminance_scale 801What: /sys/.../events/in_proximity_scale 802KernelVersion: 3.21 803Contact: linux-iio@vger.kernel.org 804Description: 805 Specifies the conversion factor from the standard units 806 to device specific units used to set the event trigger 807 threshold. 808 809What: /sys/.../events/in_accel_x_thresh_rising_hysteresis 810What: /sys/.../events/in_accel_x_thresh_falling_hysteresis 811What: /sys/.../events/in_accel_x_thresh_either_hysteresis 812What: /sys/.../events/in_accel_y_thresh_rising_hysteresis 813What: /sys/.../events/in_accel_y_thresh_falling_hysteresis 814What: /sys/.../events/in_accel_y_thresh_either_hysteresis 815What: /sys/.../events/in_accel_z_thresh_rising_hysteresis 816What: /sys/.../events/in_accel_z_thresh_falling_hysteresis 817What: /sys/.../events/in_accel_z_thresh_either_hysteresis 818What: /sys/.../events/in_anglvel_x_thresh_rising_hysteresis 819What: /sys/.../events/in_anglvel_x_thresh_falling_hysteresis 820What: /sys/.../events/in_anglvel_x_thresh_either_hysteresis 821What: /sys/.../events/in_anglvel_y_thresh_rising_hysteresis 822What: /sys/.../events/in_anglvel_y_thresh_falling_hysteresis 823What: /sys/.../events/in_anglvel_y_thresh_either_hysteresis 824What: /sys/.../events/in_anglvel_z_thresh_rising_hysteresis 825What: /sys/.../events/in_anglvel_z_thresh_falling_hysteresis 826What: /sys/.../events/in_anglvel_z_thresh_either_hysteresis 827What: /sys/.../events/in_magn_x_thresh_rising_hysteresis 828What: /sys/.../events/in_magn_x_thresh_falling_hysteresis 829What: /sys/.../events/in_magn_x_thresh_either_hysteresis 830What: /sys/.../events/in_magn_y_thresh_rising_hysteresis 831What: /sys/.../events/in_magn_y_thresh_falling_hysteresis 832What: /sys/.../events/in_magn_y_thresh_either_hysteresis 833What: /sys/.../events/in_magn_z_thresh_rising_hysteresis 834What: /sys/.../events/in_magn_z_thresh_falling_hysteresis 835What: /sys/.../events/in_magn_z_thresh_either_hysteresis 836What: /sys/.../events/in_rot_from_north_magnetic_thresh_rising_hysteresis 837What: /sys/.../events/in_rot_from_north_magnetic_thresh_falling_hysteresis 838What: /sys/.../events/in_rot_from_north_magnetic_thresh_either_hysteresis 839What: /sys/.../events/in_rot_from_north_true_thresh_rising_hysteresis 840What: /sys/.../events/in_rot_from_north_true_thresh_falling_hysteresis 841What: /sys/.../events/in_rot_from_north_true_thresh_either_hysteresis 842What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_rising_hysteresis 843What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_falling_hysteresis 844What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_either_hysteresis 845What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_rising_hysteresis 846What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_falling_hysteresis 847What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_either_hysteresis 848What: /sys/.../events/in_voltageY_thresh_rising_hysteresis 849What: /sys/.../events/in_voltageY_thresh_falling_hysteresis 850What: /sys/.../events/in_voltageY_thresh_either_hysteresis 851What: /sys/.../events/in_tempY_thresh_rising_hysteresis 852What: /sys/.../events/in_tempY_thresh_falling_hysteresis 853What: /sys/.../events/in_tempY_thresh_either_hysteresis 854What: /sys/.../events/in_illuminance0_thresh_falling_hysteresis 855What: /sys/.../events/in_illuminance0_thresh_rising_hysteresis 856What: /sys/.../events/in_illuminance0_thresh_either_hysteresis 857What: /sys/.../events/in_proximity0_thresh_falling_hysteresis 858What: /sys/.../events/in_proximity0_thresh_rising_hysteresis 859What: /sys/.../events/in_proximity0_thresh_either_hysteresis 860KernelVersion: 3.13 861Contact: linux-iio@vger.kernel.org 862Description: 863 Specifies the hysteresis of threshold that the device is comparing 864 against for the events enabled by 865 <type>Y[_name]_thresh[_(rising|falling)]_hysteresis. 866 If separate attributes exist for the two directions, but 867 direction is not specified for this attribute, then a single 868 hysteresis value applies to both directions. 869 870 For falling events the hysteresis is added to the _value attribute for 871 this event to get the upper threshold for when the event goes back to 872 normal, for rising events the hysteresis is subtracted from the _value 873 attribute. E.g. if in_voltage0_raw_thresh_rising_value is set to 1200 874 and in_voltage0_raw_thresh_rising_hysteresis is set to 50. The event 875 will get activated once in_voltage0_raw goes above 1200 and will become 876 deactivated again once the value falls below 1150. 877 878What: /sys/.../events/in_accel_x_raw_roc_rising_value 879What: /sys/.../events/in_accel_x_raw_roc_falling_value 880What: /sys/.../events/in_accel_y_raw_roc_rising_value 881What: /sys/.../events/in_accel_y_raw_roc_falling_value 882What: /sys/.../events/in_accel_z_raw_roc_rising_value 883What: /sys/.../events/in_accel_z_raw_roc_falling_value 884What: /sys/.../events/in_anglvel_x_raw_roc_rising_value 885What: /sys/.../events/in_anglvel_x_raw_roc_falling_value 886What: /sys/.../events/in_anglvel_y_raw_roc_rising_value 887What: /sys/.../events/in_anglvel_y_raw_roc_falling_value 888What: /sys/.../events/in_anglvel_z_raw_roc_rising_value 889What: /sys/.../events/in_anglvel_z_raw_roc_falling_value 890What: /sys/.../events/in_magn_x_raw_roc_rising_value 891What: /sys/.../events/in_magn_x_raw_roc_falling_value 892What: /sys/.../events/in_magn_y_raw_roc_rising_value 893What: /sys/.../events/in_magn_y_raw_roc_falling_value 894What: /sys/.../events/in_magn_z_raw_roc_rising_value 895What: /sys/.../events/in_magn_z_raw_roc_falling_value 896What: /sys/.../events/in_rot_from_north_magnetic_raw_roc_rising_value 897What: /sys/.../events/in_rot_from_north_magnetic_raw_roc_falling_value 898What: /sys/.../events/in_rot_from_north_true_raw_roc_rising_value 899What: /sys/.../events/in_rot_from_north_true_raw_roc_falling_value 900What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_roc_rising_value 901What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_roc_falling_value 902What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_roc_rising_value 903What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_roc_falling_value 904What: /sys/.../events/in_voltageY_supply_raw_roc_rising_value 905What: /sys/.../events/in_voltageY_supply_raw_roc_falling_value 906What: /sys/.../events/in_voltageY_raw_roc_rising_value 907What: /sys/.../events/in_voltageY_raw_roc_falling_value 908What: /sys/.../events/in_tempY_raw_roc_rising_value 909What: /sys/.../events/in_tempY_raw_roc_falling_value 910KernelVersion: 2.6.37 911Contact: linux-iio@vger.kernel.org 912Description: 913 Specifies the value of rate of change threshold that the 914 device is comparing against for the events enabled by 915 <type>[Y][_name]_roc[_rising|falling]_en. 916 917 If separate attributes exist for the two directions, 918 but direction is not specified for this attribute, 919 then a single threshold value applies to both directions. 920 The raw or input element of the name indicates whether the 921 value is in raw device units or in processed units (as _raw 922 and _input do on sysfs direct channel read attributes). 923 924What: /sys/.../events/in_accel_x_thresh_rising_period 925What: /sys/.../events/in_accel_x_thresh_falling_period 926What: /sys/.../events/in_accel_x_roc_rising_period 927What: /sys/.../events/in_accel_x_roc_falling_period 928What: /sys/.../events/in_accel_y_thresh_rising_period 929What: /sys/.../events/in_accel_y_thresh_falling_period 930What: /sys/.../events/in_accel_y_roc_rising_period 931What: /sys/.../events/in_accel_y_roc_falling_period 932What: /sys/.../events/in_accel_z_thresh_rising_period 933What: /sys/.../events/in_accel_z_thresh_falling_period 934What: /sys/.../events/in_accel_z_roc_rising_period 935What: /sys/.../events/in_accel_z_roc_falling_period 936What: /sys/.../events/in_anglvel_x_thresh_rising_period 937What: /sys/.../events/in_anglvel_x_thresh_falling_period 938What: /sys/.../events/in_anglvel_x_roc_rising_period 939What: /sys/.../events/in_anglvel_x_roc_falling_period 940What: /sys/.../events/in_anglvel_y_thresh_rising_period 941What: /sys/.../events/in_anglvel_y_thresh_falling_period 942What: /sys/.../events/in_anglvel_y_roc_rising_period 943What: /sys/.../events/in_anglvel_y_roc_falling_period 944What: /sys/.../events/in_anglvel_z_thresh_rising_period 945What: /sys/.../events/in_anglvel_z_thresh_falling_period 946What: /sys/.../events/in_anglvel_z_roc_rising_period 947What: /sys/.../events/in_anglvel_z_roc_falling_period 948What: /sys/.../events/in_magn_x_thresh_rising_period 949What: /sys/.../events/in_magn_x_thresh_falling_period 950What: /sys/.../events/in_magn_x_roc_rising_period 951What: /sys/.../events/in_magn_x_roc_falling_period 952What: /sys/.../events/in_magn_y_thresh_rising_period 953What: /sys/.../events/in_magn_y_thresh_falling_period 954What: /sys/.../events/in_magn_y_roc_rising_period 955What: /sys/.../events/in_magn_y_roc_falling_period 956What: /sys/.../events/in_magn_z_thresh_rising_period 957What: /sys/.../events/in_magn_z_thresh_falling_period 958What: /sys/.../events/in_magn_z_roc_rising_period 959What: /sys/.../events/in_magn_z_roc_falling_period 960What: /sys/.../events/in_rot_from_north_magnetic_thresh_rising_period 961What: /sys/.../events/in_rot_from_north_magnetic_thresh_falling_period 962What: /sys/.../events/in_rot_from_north_magnetic_roc_rising_period 963What: /sys/.../events/in_rot_from_north_magnetic_roc_falling_period 964What: /sys/.../events/in_rot_from_north_true_thresh_rising_period 965What: /sys/.../events/in_rot_from_north_true_thresh_falling_period 966What: /sys/.../events/in_rot_from_north_true_roc_rising_period 967What: /sys/.../events/in_rot_from_north_true_roc_falling_period 968What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_rising_period 969What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_falling_period 970What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_roc_rising_period 971What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_roc_falling_period 972What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_rising_period 973What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_falling_period 974What: /sys/.../events/in_rot_from_north_true_tilt_comp_roc_rising_period 975What: /sys/.../events/in_rot_from_north_true_tilt_comp_roc_falling_period 976What: /sys/.../events/in_voltageY_supply_thresh_rising_period 977What: /sys/.../events/in_voltageY_supply_thresh_falling_period 978What: /sys/.../events/in_voltageY_supply_roc_rising_period 979What: /sys/.../events/in_voltageY_supply_roc_falling_period 980What: /sys/.../events/in_voltageY_thresh_rising_period 981What: /sys/.../events/in_voltageY_thresh_falling_period 982What: /sys/.../events/in_voltageY_roc_rising_period 983What: /sys/.../events/in_voltageY_roc_falling_period 984What: /sys/.../events/in_tempY_thresh_rising_period 985What: /sys/.../events/in_tempY_thresh_falling_period 986What: /sys/.../events/in_tempY_roc_rising_period 987What: /sys/.../events/in_tempY_roc_falling_period 988What: /sys/.../events/in_accel_x&y&z_mag_falling_period 989What: /sys/.../events/in_intensity0_thresh_period 990What: /sys/.../events/in_proximity0_thresh_period 991What: /sys/.../events/in_activity_still_thresh_rising_period 992What: /sys/.../events/in_activity_still_thresh_falling_period 993What: /sys/.../events/in_activity_walking_thresh_rising_period 994What: /sys/.../events/in_activity_walking_thresh_falling_period 995What: /sys/.../events/in_activity_jogging_thresh_rising_period 996What: /sys/.../events/in_activity_jogging_thresh_falling_period 997What: /sys/.../events/in_activity_running_thresh_rising_period 998What: /sys/.../events/in_activity_running_thresh_falling_period 999What: /sys/.../events/in_illuminance_thresh_either_period 1000KernelVersion: 2.6.37 1001Contact: linux-iio@vger.kernel.org 1002Description: 1003 Period of time (in seconds) for which the condition must be 1004 met before an event is generated. If direction is not 1005 specified then this period applies to both directions. 1006 1007What: /sys/.../events/in_accel_thresh_rising_low_pass_filter_3db 1008What: /sys/.../events/in_anglvel_thresh_rising_low_pass_filter_3db 1009What: /sys/.../events/in_magn_thresh_rising_low_pass_filter_3db 1010KernelVersion: 4.2 1011Contact: linux-iio@vger.kernel.org 1012Description: 1013 If a low pass filter can be applied to the event generation 1014 this property gives its 3db frequency in Hz. 1015 A value of zero disables the filter. 1016 1017What: /sys/.../events/in_accel_thresh_rising_high_pass_filter_3db 1018What: /sys/.../events/in_anglvel_thresh_rising_high_pass_filter_3db 1019What: /sys/.../events/in_magn_thresh_rising_high_pass_filter_3db 1020KernelVersion: 4.2 1021Contact: linux-iio@vger.kernel.org 1022Description: 1023 If a high pass filter can be applied to the event generation 1024 this property gives its 3db frequency in Hz. 1025 A value of zero disables the filter. 1026 1027What: /sys/.../events/in_activity_still_thresh_rising_en 1028What: /sys/.../events/in_activity_still_thresh_falling_en 1029What: /sys/.../events/in_activity_walking_thresh_rising_en 1030What: /sys/.../events/in_activity_walking_thresh_falling_en 1031What: /sys/.../events/in_activity_jogging_thresh_rising_en 1032What: /sys/.../events/in_activity_jogging_thresh_falling_en 1033What: /sys/.../events/in_activity_running_thresh_rising_en 1034What: /sys/.../events/in_activity_running_thresh_falling_en 1035KernelVersion: 3.19 1036Contact: linux-iio@vger.kernel.org 1037Description: 1038 Enables or disables activity events. Depending on direction 1039 an event is generated when sensor ENTERS or LEAVES a given state. 1040 1041What: /sys/.../events/in_activity_still_thresh_rising_value 1042What: /sys/.../events/in_activity_still_thresh_falling_value 1043What: /sys/.../events/in_activity_walking_thresh_rising_value 1044What: /sys/.../events/in_activity_walking_thresh_falling_value 1045What: /sys/.../events/in_activity_jogging_thresh_rising_value 1046What: /sys/.../events/in_activity_jogging_thresh_falling_value 1047What: /sys/.../events/in_activity_running_thresh_rising_value 1048What: /sys/.../events/in_activity_running_thresh_falling_value 1049KernelVersion: 3.19 1050Contact: linux-iio@vger.kernel.org 1051Description: 1052 Confidence value (in units as percentage) to be used 1053 for deciding when an event should be generated. E.g for 1054 running: If the confidence value reported by the sensor 1055 is greater than in_activity_running_thresh_rising_value 1056 then the sensor ENTERS running state. Conversely, if the 1057 confidence value reported by the sensor is lower than 1058 in_activity_running_thresh_falling_value then the sensor 1059 is LEAVING running state. 1060 1061What: /sys/.../iio:deviceX/events/in_accel_mag_en 1062What: /sys/.../iio:deviceX/events/in_accel_mag_rising_en 1063What: /sys/.../iio:deviceX/events/in_accel_mag_falling_en 1064What: /sys/.../iio:deviceX/events/in_accel_x_mag_en 1065What: /sys/.../iio:deviceX/events/in_accel_x_mag_rising_en 1066What: /sys/.../iio:deviceX/events/in_accel_x_mag_falling_en 1067What: /sys/.../iio:deviceX/events/in_accel_y_mag_en 1068What: /sys/.../iio:deviceX/events/in_accel_y_mag_rising_en 1069What: /sys/.../iio:deviceX/events/in_accel_y_mag_falling_en 1070What: /sys/.../iio:deviceX/events/in_accel_z_mag_en 1071What: /sys/.../iio:deviceX/events/in_accel_z_mag_rising_en 1072What: /sys/.../iio:deviceX/events/in_accel_z_mag_falling_en 1073What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_rising_en 1074What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_falling_en 1075KernelVersion: 2.6.37 1076Contact: linux-iio@vger.kernel.org 1077Description: 1078 Similar to in_accel_x_thresh[_rising|_falling]_en, but here the 1079 magnitude of the channel is compared to the threshold, not its 1080 signed value. 1081 1082What: /sys/.../events/in_accel_raw_mag_value 1083What: /sys/.../events/in_accel_x_raw_mag_rising_value 1084What: /sys/.../events/in_accel_y_raw_mag_rising_value 1085What: /sys/.../events/in_accel_z_raw_mag_rising_value 1086KernelVersion: 2.6.37 1087Contact: linux-iio@vger.kernel.org 1088Description: 1089 The value to which the magnitude of the channel is compared. If 1090 number or direction is not specified, applies to all channels of 1091 this type. 1092 1093What: /sys/.../events/in_steps_change_en 1094KernelVersion: 4.0 1095Contact: linux-iio@vger.kernel.org 1096Description: 1097 Event generated when channel passes a threshold on the absolute 1098 change in value. E.g. for steps: a step change event is 1099 generated each time the user takes N steps, where N is set using 1100 in_steps_change_value. 1101 1102What: /sys/.../events/in_steps_change_value 1103KernelVersion: 4.0 1104Contact: linux-iio@vger.kernel.org 1105Description: 1106 Specifies the value of change threshold that the 1107 device is comparing against for the events enabled by 1108 <type>[Y][_name]_roc[_rising|falling|]_en. E.g. for steps: 1109 if set to 3, a step change event will be generated every 3 1110 steps. 1111 1112What: /sys/bus/iio/devices/iio:deviceX/trigger/current_trigger 1113KernelVersion: 2.6.35 1114Contact: linux-iio@vger.kernel.org 1115Description: 1116 The name of the trigger source being used, as per string given 1117 in /sys/class/iio/triggerY/name. 1118 1119What: /sys/bus/iio/devices/iio:deviceX/buffer/length 1120KernelVersion: 2.6.35 1121Contact: linux-iio@vger.kernel.org 1122Description: 1123 Number of scans contained by the buffer. 1124 1125What: /sys/bus/iio/devices/iio:deviceX/buffer/enable 1126KernelVersion: 2.6.35 1127Contact: linux-iio@vger.kernel.org 1128Description: 1129 Actually start the buffer capture up. Will start trigger 1130 if first device and appropriate. 1131 1132What: /sys/bus/iio/devices/iio:deviceX/scan_elements 1133KernelVersion: 2.6.37 1134Contact: linux-iio@vger.kernel.org 1135Description: 1136 Directory containing interfaces for elements that will be 1137 captured for a single triggered sample set in the buffer. 1138 1139What: /sys/.../iio:deviceX/scan_elements/in_accel_x_en 1140What: /sys/.../iio:deviceX/scan_elements/in_accel_y_en 1141What: /sys/.../iio:deviceX/scan_elements/in_accel_z_en 1142What: /sys/.../iio:deviceX/scan_elements/in_anglvel_x_en 1143What: /sys/.../iio:deviceX/scan_elements/in_anglvel_y_en 1144What: /sys/.../iio:deviceX/scan_elements/in_anglvel_z_en 1145What: /sys/.../iio:deviceX/scan_elements/in_magn_x_en 1146What: /sys/.../iio:deviceX/scan_elements/in_magn_y_en 1147What: /sys/.../iio:deviceX/scan_elements/in_magn_z_en 1148What: /sys/.../iio:deviceX/scan_elements/in_rot_from_north_magnetic_en 1149What: /sys/.../iio:deviceX/scan_elements/in_rot_from_north_true_en 1150What: /sys/.../iio:deviceX/scan_elements/in_rot_from_north_magnetic_tilt_comp_en 1151What: /sys/.../iio:deviceX/scan_elements/in_rot_from_north_true_tilt_comp_en 1152What: /sys/.../iio:deviceX/scan_elements/in_timestamp_en 1153What: /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_en 1154What: /sys/.../iio:deviceX/scan_elements/in_voltageY_en 1155What: /sys/.../iio:deviceX/scan_elements/in_voltageY-voltageZ_en 1156What: /sys/.../iio:deviceX/scan_elements/in_voltageY_i_en 1157What: /sys/.../iio:deviceX/scan_elements/in_voltageY_q_en 1158What: /sys/.../iio:deviceX/scan_elements/in_voltage_i_en 1159What: /sys/.../iio:deviceX/scan_elements/in_voltage_q_en 1160What: /sys/.../iio:deviceX/scan_elements/in_incli_x_en 1161What: /sys/.../iio:deviceX/scan_elements/in_incli_y_en 1162What: /sys/.../iio:deviceX/scan_elements/in_pressureY_en 1163What: /sys/.../iio:deviceX/scan_elements/in_pressure_en 1164What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_en 1165What: /sys/.../iio:deviceX/scan_elements/in_proximity_en 1166KernelVersion: 2.6.37 1167Contact: linux-iio@vger.kernel.org 1168Description: 1169 Scan element control for triggered data capture. 1170 1171What: /sys/.../iio:deviceX/scan_elements/in_accel_type 1172What: /sys/.../iio:deviceX/scan_elements/in_anglvel_type 1173What: /sys/.../iio:deviceX/scan_elements/in_magn_type 1174What: /sys/.../iio:deviceX/scan_elements/in_incli_type 1175What: /sys/.../iio:deviceX/scan_elements/in_voltageY_type 1176What: /sys/.../iio:deviceX/scan_elements/in_voltage_type 1177What: /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_type 1178What: /sys/.../iio:deviceX/scan_elements/in_voltageY_i_type 1179What: /sys/.../iio:deviceX/scan_elements/in_voltageY_q_type 1180What: /sys/.../iio:deviceX/scan_elements/in_voltage_i_type 1181What: /sys/.../iio:deviceX/scan_elements/in_voltage_q_type 1182What: /sys/.../iio:deviceX/scan_elements/in_timestamp_type 1183What: /sys/.../iio:deviceX/scan_elements/in_pressureY_type 1184What: /sys/.../iio:deviceX/scan_elements/in_pressure_type 1185What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_type 1186What: /sys/.../iio:deviceX/scan_elements/in_proximity_type 1187KernelVersion: 2.6.37 1188Contact: linux-iio@vger.kernel.org 1189Description: 1190 Description of the scan element data storage within the buffer 1191 and hence the form in which it is read from user-space. 1192 Form is [be|le]:[s|u]bits/storagebits[>>shift]. 1193 be or le specifies big or little endian. s or u specifies if 1194 signed (2's complement) or unsigned. bits is the number of bits 1195 of data and storagebits is the space (after padding) that it 1196 occupies in the buffer. shift if specified, is the shift that 1197 needs to be applied prior to masking out unused bits. Some 1198 devices put their data in the middle of the transferred elements 1199 with additional information on both sides. Note that some 1200 devices will have additional information in the unused bits 1201 so to get a clean value, the bits value must be used to mask 1202 the buffer output value appropriately. The storagebits value 1203 also specifies the data alignment. So s48/64>>2 will be a 1204 signed 48 bit integer stored in a 64 bit location aligned to 1205 a 64 bit boundary. To obtain the clean value, shift right 2 1206 and apply a mask to zero the top 16 bits of the result. 1207 For other storage combinations this attribute will be extended 1208 appropriately. 1209 1210What: /sys/.../iio:deviceX/scan_elements/in_accel_type_available 1211KernelVersion: 2.6.37 1212Contact: linux-iio@vger.kernel.org 1213Description: 1214 If the type parameter can take one of a small set of values, 1215 this attribute lists them. 1216 1217What: /sys/.../iio:deviceX/scan_elements/in_voltageY_index 1218What: /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_index 1219What: /sys/.../iio:deviceX/scan_elements/in_voltageY_i_index 1220What: /sys/.../iio:deviceX/scan_elements/in_voltageY_q_index 1221What: /sys/.../iio:deviceX/scan_elements/in_voltage_i_index 1222What: /sys/.../iio:deviceX/scan_elements/in_voltage_q_index 1223What: /sys/.../iio:deviceX/scan_elements/in_accel_x_index 1224What: /sys/.../iio:deviceX/scan_elements/in_accel_y_index 1225What: /sys/.../iio:deviceX/scan_elements/in_accel_z_index 1226What: /sys/.../iio:deviceX/scan_elements/in_anglvel_x_index 1227What: /sys/.../iio:deviceX/scan_elements/in_anglvel_y_index 1228What: /sys/.../iio:deviceX/scan_elements/in_anglvel_z_index 1229What: /sys/.../iio:deviceX/scan_elements/in_magn_x_index 1230What: /sys/.../iio:deviceX/scan_elements/in_magn_y_index 1231What: /sys/.../iio:deviceX/scan_elements/in_magn_z_index 1232What: /sys/.../iio:deviceX/scan_elements/in_rot_from_north_magnetic_index 1233What: /sys/.../iio:deviceX/scan_elements/in_rot_from_north_true_index 1234What: /sys/.../iio:deviceX/scan_elements/in_rot_from_north_magnetic_tilt_comp_index 1235What: /sys/.../iio:deviceX/scan_elements/in_rot_from_north_true_tilt_comp_index 1236What: /sys/.../iio:deviceX/scan_elements/in_incli_x_index 1237What: /sys/.../iio:deviceX/scan_elements/in_incli_y_index 1238What: /sys/.../iio:deviceX/scan_elements/in_timestamp_index 1239What: /sys/.../iio:deviceX/scan_elements/in_pressureY_index 1240What: /sys/.../iio:deviceX/scan_elements/in_pressure_index 1241What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_index 1242What: /sys/.../iio:deviceX/scan_elements/in_proximity_index 1243KernelVersion: 2.6.37 1244Contact: linux-iio@vger.kernel.org 1245Description: 1246 A single positive integer specifying the position of this 1247 scan element in the buffer. Note these are not dependent on 1248 what is enabled and may not be contiguous. Thus for user-space 1249 to establish the full layout these must be used in conjunction 1250 with all _en attributes to establish which channels are present, 1251 and the relevant _type attributes to establish the data storage 1252 format. 1253 1254What: /sys/.../iio:deviceX/in_activity_still_input 1255What: /sys/.../iio:deviceX/in_activity_walking_input 1256What: /sys/.../iio:deviceX/in_activity_jogging_input 1257What: /sys/.../iio:deviceX/in_activity_running_input 1258KernelVersion: 3.19 1259Contact: linux-iio@vger.kernel.org 1260Description: 1261 This attribute is used to read the confidence for an activity 1262 expressed in units as percentage. 1263 1264What: /sys/.../iio:deviceX/in_anglvel_z_quadrature_correction_raw 1265KernelVersion: 2.6.38 1266Contact: linux-iio@vger.kernel.org 1267Description: 1268 This attribute is used to read the amount of quadrature error 1269 present in the device at a given time. 1270 1271What: /sys/.../iio:deviceX/in_accelX_power_mode 1272KernelVersion: 3.11 1273Contact: linux-iio@vger.kernel.org 1274Description: 1275 Specifies the chip power mode. 1276 low_noise: reduce noise level from ADC, 1277 low_power: enable low current consumption. 1278 For a list of available output power modes read 1279 in_accel_power_mode_available. 1280 1281What: /sys/.../iio:deviceX/in_energy_input 1282What: /sys/.../iio:deviceX/in_energy_raw 1283KernelVersion: 4.0 1284Contact: linux-iio@vger.kernel.org 1285Description: 1286 This attribute is used to read the energy value reported by the 1287 device (e.g.: human activity sensors report energy burnt by the 1288 user). Units after application of scale are Joules. 1289 1290What: /sys/.../iio:deviceX/in_distance_input 1291What: /sys/.../iio:deviceX/in_distance_raw 1292KernelVersion: 4.0 1293Contact: linux-iio@vger.kernel.org 1294Description: 1295 This attribute is used to read the measured distance to an object 1296 or the distance covered by the user since the last reboot while 1297 activated. Units after application of scale are meters. 1298 1299What: /sys/bus/iio/devices/iio:deviceX/store_eeprom 1300KernelVersion: 3.4.0 1301Contact: linux-iio@vger.kernel.org 1302Description: 1303 Writing '1' stores the current device configuration into 1304 on-chip EEPROM. After power-up or chip reset the device will 1305 automatically load the saved configuration. 1306 1307What: /sys/.../iio:deviceX/in_proximity_raw 1308What: /sys/.../iio:deviceX/in_proximity_input 1309What: /sys/.../iio:deviceX/in_proximityY_raw 1310KernelVersion: 3.4 1311Contact: linux-iio@vger.kernel.org 1312Description: 1313 Proximity measurement indicating that some 1314 object is near the sensor, usually by observing 1315 reflectivity of infrared or ultrasound emitted. 1316 1317 Often these sensors are unit less and as such conversion 1318 to SI units is not possible. Higher proximity measurements 1319 indicate closer objects, and vice versa. Units after 1320 application of scale and offset are meters. 1321 1322What: /sys/.../iio:deviceX/in_illuminance_input 1323What: /sys/.../iio:deviceX/in_illuminance_raw 1324What: /sys/.../iio:deviceX/in_illuminanceY_input 1325What: /sys/.../iio:deviceX/in_illuminanceY_raw 1326What: /sys/.../iio:deviceX/in_illuminanceY_mean_raw 1327What: /sys/.../iio:deviceX/in_illuminance_ir_raw 1328What: /sys/.../iio:deviceX/in_illuminance_clear_raw 1329KernelVersion: 3.4 1330Contact: linux-iio@vger.kernel.org 1331Description: 1332 Illuminance measurement, units after application of scale 1333 and offset are lux. 1334 1335What: /sys/.../iio:deviceX/in_intensityY_raw 1336What: /sys/.../iio:deviceX/in_intensityY_ir_raw 1337What: /sys/.../iio:deviceX/in_intensityY_both_raw 1338What: /sys/.../iio:deviceX/in_intensityY_uv_raw 1339What: /sys/.../iio:deviceX/in_intensityY_duv_raw 1340KernelVersion: 3.4 1341Contact: linux-iio@vger.kernel.org 1342Description: 1343 Unit-less light intensity. Modifiers both and ir indicate 1344 that measurements contain visible and infrared light 1345 components or just infrared light, respectively. Modifier 1346 uv indicates that measurements contain ultraviolet light 1347 components. Modifier duv indicates that measurements 1348 contain deep ultraviolet light components. 1349 1350What: /sys/.../iio:deviceX/in_uvindex_input 1351KernelVersion: 4.6 1352Contact: linux-iio@vger.kernel.org 1353Description: 1354 UV light intensity index measuring the human skin's response to 1355 different wavelength of sunlight weighted according to the 1356 standardised CIE Erythemal Action Spectrum. UV index values range 1357 from 0 (low) to >=11 (extreme). 1358 1359What: /sys/.../iio:deviceX/in_intensity_integration_time 1360What: /sys/.../iio:deviceX/in_intensity_red_integration_time 1361What: /sys/.../iio:deviceX/in_intensity_green_integration_time 1362What: /sys/.../iio:deviceX/in_intensity_blue_integration_time 1363What: /sys/.../iio:deviceX/in_intensity_clear_integration_time 1364What: /sys/.../iio:deviceX/in_illuminance_integration_time 1365KernelVersion: 3.12 1366Contact: linux-iio@vger.kernel.org 1367Description: 1368 This attribute is used to get/set the integration time in 1369 seconds. If shared across all channels of a given type, 1370 <type>_integration_time is used. 1371 1372What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_integration_time 1373KernelVersion: 4.0 1374Contact: linux-iio@vger.kernel.org 1375Description: 1376 Number of seconds in which to compute speed. 1377 1378What: /sys/bus/iio/devices/iio:deviceX/in_rot_quaternion_raw 1379KernelVersion: 3.15 1380Contact: linux-iio@vger.kernel.org 1381Description: 1382 Raw value of quaternion components using a format 1383 x y z w. Here x, y, and z component represents the axis about 1384 which a rotation will occur and w component represents the 1385 amount of rotation. 1386 1387What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_tilt_comp_raw 1388What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_tilt_comp_raw 1389What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_raw 1390What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_raw 1391KernelVersion: 3.15 1392Contact: linux-iio@vger.kernel.org 1393Description: 1394 Raw value of rotation from true/magnetic north measured with 1395 or without compensation from tilt sensors. 1396 1397What: /sys/bus/iio/devices/iio:deviceX/in_currentX_raw 1398What: /sys/bus/iio/devices/iio:deviceX/in_currentX_i_raw 1399What: /sys/bus/iio/devices/iio:deviceX/in_currentX_q_raw 1400KernelVersion: 3.18 1401Contact: linux-iio@vger.kernel.org 1402Description: 1403 Raw current measurement from channel X. Units are in milliamps 1404 after application of scale and offset. If no offset or scale is 1405 present, output should be considered as processed with the 1406 unit in milliamps. 1407 1408 Channels with 'i' and 'q' modifiers always exist in pairs and both 1409 channels refer to the same signal. The 'i' channel contains the in-phase 1410 component of the signal while the 'q' channel contains the quadrature 1411 component. 1412 1413What: /sys/.../iio:deviceX/in_energy_en 1414What: /sys/.../iio:deviceX/in_distance_en 1415What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_en 1416What: /sys/.../iio:deviceX/in_steps_en 1417KernelVersion: 3.19 1418Contact: linux-iio@vger.kernel.org 1419Description: 1420 Activates a device feature that runs in firmware/hardware. 1421 E.g. for steps: the pedometer saves power while not used; 1422 when activated, it will count the steps taken by the user in 1423 firmware and export them through in_steps_input. 1424 1425What: /sys/.../iio:deviceX/in_steps_input 1426KernelVersion: 3.19 1427Contact: linux-iio@vger.kernel.org 1428Description: 1429 This attribute is used to read the number of steps taken by the user 1430 since the last reboot while activated. 1431 1432What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_input 1433What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_raw 1434KernelVersion: 3.19 1435Contact: linux-iio@vger.kernel.org 1436Description: 1437 This attribute is used to read the current speed value of the 1438 user (which is the norm or magnitude of the velocity vector). 1439 Units after application of scale are m/s. 1440 1441What: /sys/.../iio:deviceX/in_steps_debounce_count 1442KernelVersion: 4.0 1443Contact: linux-iio@vger.kernel.org 1444Description: 1445 Specifies the number of steps that must occur within 1446 in_steps_filter_debounce_time for the pedometer to decide the 1447 consumer is making steps. 1448 1449What: /sys/.../iio:deviceX/in_steps_debounce_time 1450KernelVersion: 4.0 1451Contact: linux-iio@vger.kernel.org 1452Description: 1453 Specifies number of seconds in which we compute the steps 1454 that occur in order to decide if the consumer is making steps. 1455 1456What: /sys/bus/iio/devices/iio:deviceX/buffer/watermark 1457KernelVersion: 4.2 1458Contact: linux-iio@vger.kernel.org 1459Description: 1460 A single positive integer specifying the maximum number of scan 1461 elements to wait for. 1462 1463 Poll will block until the watermark is reached. 1464 1465 Blocking read will wait until the minimum between the requested 1466 read amount or the low water mark is available. 1467 1468 Non-blocking read will retrieve the available samples from the 1469 buffer even if there are less samples then watermark level. This 1470 allows the application to block on poll with a timeout and read 1471 the available samples after the timeout expires and thus have a 1472 maximum delay guarantee. 1473 1474What: /sys/bus/iio/devices/iio:deviceX/buffer/data_available 1475KernelVersion: 4.16 1476Contact: linux-iio@vger.kernel.org 1477Description: 1478 A read-only value indicating the bytes of data available in the 1479 buffer. In the case of an output buffer, this indicates the 1480 amount of empty space available to write data to. In the case of 1481 an input buffer, this indicates the amount of data available for 1482 reading. 1483 1484What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_enabled 1485KernelVersion: 4.2 1486Contact: linux-iio@vger.kernel.org 1487Description: 1488 A read-only boolean value that indicates if the hardware fifo is 1489 currently enabled or disabled. If the device does not have a 1490 hardware fifo this entry is not present. 1491 The hardware fifo is enabled when the buffer is enabled if the 1492 current hardware fifo watermark level is set and other current 1493 device settings allows it (e.g. if a trigger is set that samples 1494 data differently that the hardware fifo does then hardware fifo 1495 will not enabled). 1496 1497 If the hardware fifo is enabled and the level of the hardware 1498 fifo reaches the hardware fifo watermark level the device will 1499 flush its hardware fifo to the device buffer. Doing a non 1500 blocking read on the device when no samples are present in the 1501 device buffer will also force a flush. 1502 1503 When the hardware fifo is enabled there is no need to use a 1504 trigger to use buffer mode since the watermark settings 1505 guarantees that the hardware fifo is flushed to the device 1506 buffer. 1507 1508What: /sys/bus/iio/devices/iio:device*/buffer/hwfifo_timeout 1509KernelVersion: 4.12 1510Contact: linux-iio@vger.kernel.org 1511Description: 1512 A read/write property to provide capability to delay reporting of 1513 samples till a timeout is reached. This allows host processors to 1514 sleep, while the sensor is storing samples in its internal fifo. 1515 The maximum timeout in seconds can be specified by setting 1516 hwfifo_timeout.The current delay can be read by reading 1517 hwfifo_timeout. A value of 0 means that there is no timeout. 1518 1519What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark 1520KernelVersion: 4.2 1521Contact: linux-iio@vger.kernel.org 1522Description: 1523 Read-only entry that contains a single integer specifying the 1524 current watermark level for the hardware fifo. If the device 1525 does not have a hardware fifo this entry is not present. 1526 The watermark level for the hardware fifo is set by the driver 1527 based on the value set by the user in buffer/watermark but 1528 taking into account hardware limitations (e.g. most hardware 1529 buffers are limited to 32-64 samples, some hardware buffers 1530 watermarks are fixed or have minimum levels). A value of 0 1531 means that the hardware watermark is unset. 1532 1533What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark_min 1534KernelVersion: 4.2 1535Contact: linux-iio@vger.kernel.org 1536Description: 1537 A single positive integer specifying the minimum watermark level 1538 for the hardware fifo of this device. If the device does not 1539 have a hardware fifo this entry is not present. 1540 1541 If the user sets buffer/watermark to a value less than this one, 1542 then the hardware watermark will remain unset. 1543 1544What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark_max 1545KernelVersion: 4.2 1546Contact: linux-iio@vger.kernel.org 1547Description: 1548 A single positive integer specifying the maximum watermark level 1549 for the hardware fifo of this device. If the device does not 1550 have a hardware fifo this entry is not present. 1551 1552 If the user sets buffer/watermark to a value greater than this 1553 one, then the hardware watermark will be capped at this value. 1554 1555What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark_available 1556KernelVersion: 4.2 1557Contact: linux-iio@vger.kernel.org 1558Description: 1559 A list of positive integers specifying the available watermark 1560 levels for the hardware fifo. This entry is optional and if it 1561 is not present it means that all the values between 1562 hwfifo_watermark_min and hwfifo_watermark_max are supported. 1563 1564 If the user sets buffer/watermark to a value greater than 1565 hwfifo_watermak_min but not equal to any of the values in this 1566 list, the driver will chose an appropriate value for the 1567 hardware fifo watermark level. 1568 1569What: /sys/bus/iio/devices/iio:deviceX/in_temp_calibemissivity 1570What: /sys/bus/iio/devices/iio:deviceX/in_tempX_calibemissivity 1571What: /sys/bus/iio/devices/iio:deviceX/in_temp_object_calibemissivity 1572What: /sys/bus/iio/devices/iio:deviceX/in_tempX_object_calibemissivity 1573KernelVersion: 4.1 1574Contact: linux-iio@vger.kernel.org 1575Description: 1576 The emissivity ratio of the surface in the field of view of the 1577 contactless temperature sensor. Emissivity varies from 0 to 1, 1578 with 1 being the emissivity of a black body. 1579 1580What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_oversampling_ratio 1581What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_oversampling_ratio 1582What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_oversampling_ratio 1583KernelVersion: 4.2 1584Contact: linux-iio@vger.kernel.org 1585Description: 1586 Hardware applied number of measurements for acquiring one 1587 data point. The HW will do <type>[_name]_oversampling_ratio 1588 measurements and return the average value as output data. Each 1589 value resulted from <type>[_name]_oversampling_ratio measurements 1590 is considered as one sample for <type>[_name]_sampling_frequency. 1591 1592What: /sys/bus/iio/devices/iio:deviceX/in_concentration_raw 1593What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_raw 1594What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_raw 1595What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_co2_raw 1596What: /sys/bus/iio/devices/iio:deviceX/in_concentration_ethanol_raw 1597What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_ethanol_raw 1598What: /sys/bus/iio/devices/iio:deviceX/in_concentration_h2_raw 1599What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_h2_raw 1600What: /sys/bus/iio/devices/iio:deviceX/in_concentration_o2_raw 1601What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_o2_raw 1602What: /sys/bus/iio/devices/iio:deviceX/in_concentration_voc_raw 1603What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_voc_raw 1604KernelVersion: 4.3 1605Contact: linux-iio@vger.kernel.org 1606Description: 1607 Raw (unscaled no offset etc.) reading of a substance. Units 1608 after application of scale and offset are percents. 1609 1610What: /sys/bus/iio/devices/iio:deviceX/in_resistance_raw 1611What: /sys/bus/iio/devices/iio:deviceX/in_resistanceX_raw 1612What: /sys/bus/iio/devices/iio:deviceX/out_resistance_raw 1613What: /sys/bus/iio/devices/iio:deviceX/out_resistanceX_raw 1614KernelVersion: 4.3 1615Contact: linux-iio@vger.kernel.org 1616Description: 1617 Raw (unscaled no offset etc.) resistance reading that can be processed 1618 into an ohm value. 1619 1620What: /sys/bus/iio/devices/iio:deviceX/heater_enable 1621KernelVersion: 4.1.0 1622Contact: linux-iio@vger.kernel.org 1623Description: 1624 '1' (enable) or '0' (disable) specifying the enable 1625 of heater function. Same reading values apply. 1626 1627 This ABI is especially applicable for humidity sensors 1628 to heatup the device and get rid of any condensation 1629 in some humidity environment 1630 1631What: /sys/bus/iio/devices/iio:deviceX/in_ph_raw 1632KernelVersion: 4.5 1633Contact: linux-iio@vger.kernel.org 1634Description: 1635 Raw (unscaled no offset etc.) pH reading of a substance as a negative 1636 base-10 logarithm of hydrodium ions in a litre of water. 1637 1638What: /sys/bus/iio/devices/iio:deviceX/mount_matrix 1639What: /sys/bus/iio/devices/iio:deviceX/in_mount_matrix 1640What: /sys/bus/iio/devices/iio:deviceX/out_mount_matrix 1641What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_mount_matrix 1642What: /sys/bus/iio/devices/iio:deviceX/in_accel_mount_matrix 1643KernelVersion: 4.6 1644Contact: linux-iio@vger.kernel.org 1645Description: 1646 Mounting matrix for IIO sensors. This is a rotation matrix which 1647 informs userspace about sensor chip's placement relative to the 1648 main hardware it is mounted on. 1649 1650 Main hardware placement is defined according to the local 1651 reference frame related to the physical quantity the sensor 1652 measures. 1653 1654 Given that the rotation matrix is defined in a board specific 1655 way (platform data and / or device-tree), the main hardware 1656 reference frame definition is left to the implementor's choice 1657 (see below for a magnetometer example). 1658 1659 Applications should apply this rotation matrix to samples so 1660 that when main hardware reference frame is aligned onto local 1661 reference frame, then sensor chip reference frame is also 1662 perfectly aligned with it. 1663 1664 Matrix is a 3x3 unitary matrix and typically looks like 1665 [0, 1, 0; 1, 0, 0; 0, 0, -1]. Identity matrix 1666 [1, 0, 0; 0, 1, 0; 0, 0, 1] means sensor chip and main hardware 1667 are perfectly aligned with each other. 1668 1669 For example, a mounting matrix for a magnetometer sensor informs 1670 userspace about sensor chip's ORIENTATION relative to the main 1671 hardware. 1672 1673 More specifically, main hardware orientation is defined with 1674 respect to the LOCAL EARTH GEOMAGNETIC REFERENCE FRAME where : 1675 1676 * Y is in the ground plane and positive towards magnetic North ; 1677 * X is in the ground plane, perpendicular to the North axis and 1678 positive towards the East ; 1679 * Z is perpendicular to the ground plane and positive upwards. 1680 1681 An implementor might consider that for a hand-held device, a 1682 'natural' orientation would be 'front facing camera at the top'. 1683 The main hardware reference frame could then be described as : 1684 1685 * Y is in the plane of the screen and is positive towards the 1686 top of the screen ; 1687 * X is in the plane of the screen, perpendicular to Y axis, and 1688 positive towards the right hand side of the screen ; 1689 * Z is perpendicular to the screen plane and positive out of the 1690 screen. 1691 1692 Another example for a quadrotor UAV might be : 1693 1694 * Y is in the plane of the propellers and positive towards the 1695 front-view camera; 1696 * X is in the plane of the propellers, perpendicular to Y axis, 1697 and positive towards the starboard side of the UAV ; 1698 * Z is perpendicular to propellers plane and positive upwards. 1699 1700What: /sys/bus/iio/devices/iio:deviceX/in_electricalconductivity_raw 1701KernelVersion: 4.8 1702Contact: linux-iio@vger.kernel.org 1703Description: 1704 Raw (unscaled no offset etc.) electric conductivity reading that 1705 can be processed to siemens per meter. 1706 1707What: /sys/bus/iio/devices/iio:deviceX/in_countY_raw 1708KernelVersion: 4.10 1709Contact: linux-iio@vger.kernel.org 1710Description: 1711 This interface is deprecated; please use the Counter subsystem. 1712 1713 Raw counter device counts from channel Y. For quadrature 1714 counters, multiplication by an available [Y]_scale results in 1715 the counts of a single quadrature signal phase from channel Y. 1716 1717What: /sys/bus/iio/devices/iio:deviceX/in_indexY_raw 1718KernelVersion: 4.10 1719Contact: linux-iio@vger.kernel.org 1720Description: 1721 This interface is deprecated; please use the Counter subsystem. 1722 1723 Raw counter device index value from channel Y. This attribute 1724 provides an absolute positional reference (e.g. a pulse once per 1725 revolution) which may be used to home positional systems as 1726 required. 1727 1728What: /sys/bus/iio/devices/iio:deviceX/in_count_count_direction_available 1729KernelVersion: 4.12 1730Contact: linux-iio@vger.kernel.org 1731Description: 1732 This interface is deprecated; please use the Counter subsystem. 1733 1734 A list of possible counting directions which are: 1735 1736 - "up" : counter device is increasing. 1737 - "down": counter device is decreasing. 1738 1739What: /sys/bus/iio/devices/iio:deviceX/in_countY_count_direction 1740KernelVersion: 4.12 1741Contact: linux-iio@vger.kernel.org 1742Description: 1743 This interface is deprecated; please use the Counter subsystem. 1744 1745 Raw counter device counters direction for channel Y. 1746 1747What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_label 1748What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_label 1749KernelVersion: 5.8 1750Contact: linux-iio@vger.kernel.org 1751Description: 1752 Optional symbolic label to a device channel. 1753 If a label is defined for this channel add that to the channel 1754 specific attributes. This is useful for userspace to be able to 1755 better identify an individual channel. 1756 1757What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw 1758KernelVersion: 4.18 1759Contact: linux-iio@vger.kernel.org 1760Description: 1761 Raw (unscaled) phase difference reading from channel Y 1762 that can be processed to radians. 1763 1764What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm1_input 1765What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm1_input 1766What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm2p5_input 1767What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm2p5_input 1768What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm4_input 1769What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm4_input 1770What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm10_input 1771What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm10_input 1772KernelVersion: 4.22 1773Contact: linux-iio@vger.kernel.org 1774Description: 1775 Mass concentration reading of particulate matter in ug / m3. 1776 pmX consists of particles with aerodynamic diameter less or 1777 equal to X micrometers. 1778 1779What: /sys/bus/iio/devices/iio:deviceX/events/in_illuminance_period_available 1780Date: November 2019 1781KernelVersion: 5.4 1782Contact: linux-iio@vger.kernel.org 1783Description: 1784 List of valid periods (in seconds) for which the light intensity 1785 must be above the threshold level before interrupt is asserted. 1786 1787What: /sys/bus/iio/devices/iio:deviceX/in_filter_notch_center_frequency 1788KernelVersion: 5.5 1789Contact: linux-iio@vger.kernel.org 1790Description: 1791 Center frequency in Hz for a notch filter. Used i.e. for line 1792 noise suppression. 1793 1794What: /sys/bus/iio/devices/iio:deviceX/in_temp_thermocouple_type 1795KernelVersion: 5.5 1796Contact: linux-iio@vger.kernel.org 1797Description: 1798 One of the following thermocouple types: B, E, J, K, N, R, S, T. 1799 1800What: /sys/bus/iio/devices/iio:deviceX/in_temp_object_calibambient 1801What: /sys/bus/iio/devices/iio:deviceX/in_tempX_object_calibambient 1802KernelVersion: 5.10 1803Contact: linux-iio@vger.kernel.org 1804Description: 1805 Calibrated ambient temperature for object temperature 1806 calculation in milli degrees Celsius. 1807 1808What: /sys/bus/iio/devices/iio:deviceX/in_intensity_x_raw 1809What: /sys/bus/iio/devices/iio:deviceX/in_intensity_y_raw 1810What: /sys/bus/iio/devices/iio:deviceX/in_intensity_z_raw 1811KernelVersion: 5.10 1812Contact: linux-iio@vger.kernel.org 1813Description: 1814 Unscaled light intensity according to CIE 1931/DIN 5033 color space. 1815 Units after application of scale are nano nanowatts per square meter. 1816 1817What: /sys/bus/iio/devices/iio:deviceX/in_anglY_label 1818KernelVersion: 5.12 1819Contact: linux-iio@vger.kernel.org 1820Description: 1821 Optional symbolic label for channel Y. 1822 For Intel hid hinge sensor, the label values are: 1823 hinge, keyboard, screen. It means the three channels 1824 each correspond respectively to hinge angle, keyboard angle, 1825 and screen angle. 1826