1 What: /sys/bus/iio/devices/iio:devic 1 What: /sys/bus/iio/devices/iio:deviceX
2 KernelVersion: 2.6.35 2 KernelVersion: 2.6.35
3 Contact: linux-iio@vger.kernel.org 3 Contact: linux-iio@vger.kernel.org
4 Description: 4 Description:
5 Hardware chip or device access 5 Hardware chip or device accessed by one communication port.
6 Corresponds to a grouping of s 6 Corresponds to a grouping of sensor channels. X is the IIO
7 index of the device. 7 index of the device.
8 8
9 What: /sys/bus/iio/devices/triggerX 9 What: /sys/bus/iio/devices/triggerX
10 KernelVersion: 2.6.35 10 KernelVersion: 2.6.35
11 Contact: linux-iio@vger.kernel.org 11 Contact: linux-iio@vger.kernel.org
12 Description: 12 Description:
13 An event driven driver of data 13 An event driven driver of data capture to an in kernel buffer.
14 May be provided by a device dr 14 May be provided by a device driver that also has an IIO device
15 based on hardware generated ev 15 based on hardware generated events (e.g. data ready) or
16 provided by a separate driver 16 provided by a separate driver for other hardware (e.g.
17 periodic timer, GPIO or high r 17 periodic timer, GPIO or high resolution timer).
18 18
19 Contains trigger type specific 19 Contains trigger type specific elements. These do not
20 generalize well and hence are 20 generalize well and hence are not documented in this file.
21 X is the IIO index of the trig 21 X is the IIO index of the trigger.
22 22
23 What: /sys/bus/iio/devices/iio:devic 23 What: /sys/bus/iio/devices/iio:deviceX/buffer
24 KernelVersion: 2.6.35 24 KernelVersion: 2.6.35
25 Contact: linux-iio@vger.kernel.org 25 Contact: linux-iio@vger.kernel.org
26 Description: 26 Description:
27 Directory of attributes relati 27 Directory of attributes relating to the buffer for the device.
28 28
29 What: /sys/bus/iio/devices/iio:devic 29 What: /sys/bus/iio/devices/iio:deviceX/name
30 KernelVersion: 2.6.35 30 KernelVersion: 2.6.35
31 Contact: linux-iio@vger.kernel.org 31 Contact: linux-iio@vger.kernel.org
32 Description: 32 Description:
33 Description of the physical ch 33 Description of the physical chip / device for device X.
34 Typically a part number. 34 Typically a part number.
35 35
36 What: /sys/bus/iio/devices/iio:devic 36 What: /sys/bus/iio/devices/iio:deviceX/label
37 KernelVersion: 5.8 37 KernelVersion: 5.8
38 Contact: linux-iio@vger.kernel.org 38 Contact: linux-iio@vger.kernel.org
39 Description: 39 Description:
40 Optional symbolic label for a 40 Optional symbolic label for a device.
41 This is useful for userspace t 41 This is useful for userspace to be able to better identify an
42 individual device. 42 individual device.
43 43
44 The contents of the label are 44 The contents of the label are free-form, but there are some
45 standardized uses: 45 standardized uses:
46 46
47 For proximity sensors which gi 47 For proximity sensors which give the proximity (of a person) to
48 a certain wlan or wwan antenna 48 a certain wlan or wwan antenna the following standardized labels
49 are used: 49 are used:
50 50
51 * "proximity-wifi" 51 * "proximity-wifi"
52 * "proximity-lte" 52 * "proximity-lte"
53 * "proximity-wifi-lte" 53 * "proximity-wifi-lte"
54 * "proximity-wifi-left" 54 * "proximity-wifi-left"
55 * "proximity-wifi-right" 55 * "proximity-wifi-right"
56 56
57 These are used to indicate to 57 These are used to indicate to userspace that these proximity
58 sensors may be used to tune tr 58 sensors may be used to tune transmit power to ensure that
59 Specific Absorption Rate (SAR) 59 Specific Absorption Rate (SAR) limits are honored.
60 The "-left" and "-right" label 60 The "-left" and "-right" labels are for devices with multiple
61 antennas. 61 antennas.
62 62
63 In some laptops/tablets the st 63 In some laptops/tablets the standardized proximity sensor labels
64 instead indicate proximity to 64 instead indicate proximity to a specific part of the device:
65 65
66 * "proximity-palmrest" indicat 66 * "proximity-palmrest" indicates proximity to the keyboard's palmrest
67 * "proximity-palmrest-left" in 67 * "proximity-palmrest-left" indicates proximity to the left part of the palmrest
68 * "proximity-palmrest-right" i 68 * "proximity-palmrest-right" indicates proximity to the right part of the palmrest
69 * "proximity-lap" indicates th 69 * "proximity-lap" indicates the device is being used on someone's lap
70 70
71 Note "proximity-lap" is specia 71 Note "proximity-lap" is special in that its value may be
72 calculated by firmware from ot 72 calculated by firmware from other sensor readings, rather then
73 being a raw sensor reading. 73 being a raw sensor reading.
74 74
75 For accelerometers used in 2-i 75 For accelerometers used in 2-in-1s with 360° (yoga-style) hinges,
76 which have an accelerometer in 76 which have an accelerometer in both their base and their display,
77 the following standardized lab 77 the following standardized labels are used:
78 78
79 * "accel-base" 79 * "accel-base"
80 * "accel-display" 80 * "accel-display"
81 81
82 For devices where an accelerom 82 For devices where an accelerometer is housed in the swivel camera subassembly
83 (for AR application), the foll 83 (for AR application), the following standardized label is used:
84 84
85 * "accel-camera" 85 * "accel-camera"
86 86
87 What: /sys/bus/iio/devices/iio:devic 87 What: /sys/bus/iio/devices/iio:deviceX/current_timestamp_clock
88 KernelVersion: 4.5 88 KernelVersion: 4.5
89 Contact: linux-iio@vger.kernel.org 89 Contact: linux-iio@vger.kernel.org
90 Description: 90 Description:
91 String identifying current pos 91 String identifying current posix clock used to timestamp
92 buffered samples and events fo 92 buffered samples and events for device X.
93 93
94 What: /sys/bus/iio/devices/iio:devic 94 What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency
95 What: /sys/bus/iio/devices/iio:devic 95 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_sampling_frequency
96 What: /sys/bus/iio/devices/iio:devic 96 What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency
97 What: /sys/bus/iio/devices/triggerX/ 97 What: /sys/bus/iio/devices/triggerX/sampling_frequency
98 KernelVersion: 2.6.35 98 KernelVersion: 2.6.35
99 Contact: linux-iio@vger.kernel.org 99 Contact: linux-iio@vger.kernel.org
100 Description: 100 Description:
101 Some devices have internal clo 101 Some devices have internal clocks. This parameter sets the
102 resulting sampling frequency. 102 resulting sampling frequency. In many devices this
103 parameter has an effect on inp 103 parameter has an effect on input filters etc. rather than
104 simply controlling when the in 104 simply controlling when the input is sampled. As this
105 affects data ready triggers, h 105 affects data ready triggers, hardware buffers and the sysfs
106 direct access interfaces, it m 106 direct access interfaces, it may be found in any of the
107 relevant directories. If it a 107 relevant directories. If it affects all of the above
108 then it is to be found in the 108 then it is to be found in the base device directory.
109 109
110 The stm32-timer-trigger has th 110 The stm32-timer-trigger has the additional characteristic that
111 a sampling_frequency of 0 is d 111 a sampling_frequency of 0 is defined to stop sampling.
112 112
113 What: /sys/bus/iio/devices/iio:devic 113 What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency_available
114 What: /sys/bus/iio/devices/iio:devic 114 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_sampling_frequency_available
115 What: /sys/bus/iio/devices/iio:devic 115 What: /sys/bus/iio/devices/iio:deviceX/in_proximity_sampling_frequency_available
116 What: /sys/.../iio:deviceX/buffer/sa 116 What: /sys/.../iio:deviceX/buffer/sampling_frequency_available
117 What: /sys/bus/iio/devices/triggerX/ 117 What: /sys/bus/iio/devices/triggerX/sampling_frequency_available
118 KernelVersion: 2.6.35 118 KernelVersion: 2.6.35
119 Contact: linux-iio@vger.kernel.org 119 Contact: linux-iio@vger.kernel.org
120 Description: 120 Description:
121 When the internal sampling clo 121 When the internal sampling clock can only take a specific set of
122 frequencies, we can specify th 122 frequencies, we can specify the available values with:
123 123
124 - a small discrete set of valu 124 - a small discrete set of values like "0 2 4 6 8"
125 - a range with minimum, step a 125 - a range with minimum, step and maximum frequencies like
126 "[min step max]" 126 "[min step max]"
127 127
128 What: /sys/bus/iio/devices/iio:devic 128 What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio
129 KernelVersion: 2.6.38 129 KernelVersion: 2.6.38
130 Contact: linux-iio@vger.kernel.org 130 Contact: linux-iio@vger.kernel.org
131 Description: 131 Description:
132 Hardware dependent ADC oversam 132 Hardware dependent ADC oversampling. Controls the sampling ratio
133 of the digital filter if avail 133 of the digital filter if available.
134 134
135 What: /sys/bus/iio/devices/iio:devic 135 What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio_available
136 KernelVersion: 2.6.38 136 KernelVersion: 2.6.38
137 Contact: linux-iio@vger.kernel.org 137 Contact: linux-iio@vger.kernel.org
138 Description: 138 Description:
139 Hardware dependent values supp 139 Hardware dependent values supported by the oversampling filter.
140 140
141 What: /sys/bus/iio/devices/iio:devic 141 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_raw
142 What: /sys/bus/iio/devices/iio:devic 142 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_raw
143 What: /sys/bus/iio/devices/iio:devic 143 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_raw
144 What: /sys/bus/iio/devices/iio:devic 144 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_raw
145 KernelVersion: 2.6.35 145 KernelVersion: 2.6.35
146 Contact: linux-iio@vger.kernel.org 146 Contact: linux-iio@vger.kernel.org
147 Description: 147 Description:
148 Raw (unscaled no bias removal 148 Raw (unscaled no bias removal etc.) voltage measurement from
149 channel Y. In special cases wh 149 channel Y. In special cases where the channel does not
150 correspond to externally avail 150 correspond to externally available input one of the named
151 versions may be used. The numb 151 versions may be used. The number must always be specified and
152 unique to allow association wi 152 unique to allow association with event codes. Units after
153 application of scale and offse 153 application of scale and offset are millivolts.
154 154
155 Channels with 'i' and 'q' modi 155 Channels with 'i' and 'q' modifiers always exist in pairs and both
156 channels refer to the same sig 156 channels refer to the same signal. The 'i' channel contains the in-phase
157 component of the signal while 157 component of the signal while the 'q' channel contains the quadrature
158 component. 158 component.
159 159
160 What: /sys/bus/iio/devices/iio:devic 160 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_raw
161 KernelVersion: 2.6.35 161 KernelVersion: 2.6.35
162 Contact: linux-iio@vger.kernel.org 162 Contact: linux-iio@vger.kernel.org
163 Description: 163 Description:
164 Raw (unscaled) differential vo 164 Raw (unscaled) differential voltage measurement equivalent to
165 channel Y - channel Z where th 165 channel Y - channel Z where these channel numbers apply to the
166 physically equivalent inputs w 166 physically equivalent inputs when non differential readings are
167 separately available. In diffe 167 separately available. In differential only parts, then all that
168 is required is a consistent la 168 is required is a consistent labeling. Units after application
169 of scale and offset are milliv 169 of scale and offset are millivolts.
170 170
171 What: /sys/bus/iio/devices/iio:devic 171 What: /sys/bus/iio/devices/iio:deviceX/in_currentY_raw
172 What: /sys/bus/iio/devices/iio:devic 172 What: /sys/bus/iio/devices/iio:deviceX/in_currentY_supply_raw
173 KernelVersion: 3.17 173 KernelVersion: 3.17
174 Contact: linux-iio@vger.kernel.org 174 Contact: linux-iio@vger.kernel.org
175 Description: 175 Description:
176 Raw (unscaled no bias removal 176 Raw (unscaled no bias removal etc.) current measurement from
177 channel Y. In special cases wh 177 channel Y. In special cases where the channel does not
178 correspond to externally avail 178 correspond to externally available input one of the named
179 versions may be used. The numb 179 versions may be used. The number must always be specified and
180 unique to allow association wi 180 unique to allow association with event codes. Units after
181 application of scale and offse 181 application of scale and offset are milliamps.
182 182
183 What: /sys/bus/iio/devices/iio:devic 183 What: /sys/bus/iio/devices/iio:deviceX/in_powerY_raw
184 KernelVersion: 4.5 184 KernelVersion: 4.5
185 Contact: linux-iio@vger.kernel.org 185 Contact: linux-iio@vger.kernel.org
186 Description: 186 Description:
187 Raw (unscaled no bias removal 187 Raw (unscaled no bias removal etc.) power measurement from
188 channel Y. The number must alw 188 channel Y. The number must always be specified and
189 unique to allow association wi 189 unique to allow association with event codes. Units after
190 application of scale and offse 190 application of scale and offset are milliwatts.
191 191
192 What: /sys/bus/iio/devices/iio:devic 192 What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceY_raw
193 KernelVersion: 3.2 193 KernelVersion: 3.2
194 Contact: linux-iio@vger.kernel.org 194 Contact: linux-iio@vger.kernel.org
195 Description: 195 Description:
196 Raw capacitance measurement fr 196 Raw capacitance measurement from channel Y. Units after
197 application of scale and offse 197 application of scale and offset are nanofarads.
198 198
199 What: /sys/.../iio:deviceX/in_capaci 199 What: /sys/.../iio:deviceX/in_capacitanceY-capacitanceZ_raw
200 KernelVersion: 3.2 200 KernelVersion: 3.2
201 Contact: linux-iio@vger.kernel.org 201 Contact: linux-iio@vger.kernel.org
202 Description: 202 Description:
203 Raw differential capacitance m 203 Raw differential capacitance measurement equivalent to
204 channel Y - channel Z where th 204 channel Y - channel Z where these channel numbers apply to the
205 physically equivalent inputs w 205 physically equivalent inputs when non differential readings are
206 separately available. In diffe 206 separately available. In differential only parts, then all that
207 is required is a consistent la 207 is required is a consistent labeling. Units after application
208 of scale and offset are nanofa 208 of scale and offset are nanofarads.
209 209
210 What: /sys/.../iio:deviceX/in_capaci 210 What: /sys/.../iio:deviceX/in_capacitanceY-capacitanceZ_zeropoint
211 KernelVersion: 6.1 211 KernelVersion: 6.1
212 Contact: linux-iio@vger.kernel.org 212 Contact: linux-iio@vger.kernel.org
213 Description: 213 Description:
214 For differential channels, thi 214 For differential channels, this an offset that is applied
215 equally to both inputs. As the 215 equally to both inputs. As the reading is of the difference
216 between the two inputs, this s 216 between the two inputs, this should not be applied to the _raw
217 reading by userspace (unlike _ 217 reading by userspace (unlike _offset) and unlike calibbias
218 it does not affect the differe 218 it does not affect the differential value measured because
219 the effect of _zeropoint cance 219 the effect of _zeropoint cancels out across the two inputs
220 that make up the differential 220 that make up the differential pair. It's purpose is to bring
221 the individual signals, before 221 the individual signals, before the differential is measured,
222 within the measurement range o 222 within the measurement range of the device. The naming is
223 chosen because if the separate 223 chosen because if the separate inputs that make the
224 differential pair are drawn on 224 differential pair are drawn on a graph in their
225 _raw units, this is the value 225 _raw units, this is the value that the zero point on the
226 measurement axis represents. I 226 measurement axis represents. It is expressed with the
227 same scaling as _raw. 227 same scaling as _raw.
228 228
229 What: /sys/bus/iio/devices/iio:devic 229 What: /sys/bus/iio/devices/iio:deviceX/in_temp_raw
230 What: /sys/bus/iio/devices/iio:devic 230 What: /sys/bus/iio/devices/iio:deviceX/in_tempX_raw
231 What: /sys/bus/iio/devices/iio:devic 231 What: /sys/bus/iio/devices/iio:deviceX/in_temp_x_raw
232 What: /sys/bus/iio/devices/iio:devic 232 What: /sys/bus/iio/devices/iio:deviceX/in_temp_y_raw
233 What: /sys/bus/iio/devices/iio:devic 233 What: /sys/bus/iio/devices/iio:deviceX/in_temp_ambient_raw
234 What: /sys/bus/iio/devices/iio:devic 234 What: /sys/bus/iio/devices/iio:deviceX/in_temp_object_raw
235 KernelVersion: 2.6.35 235 KernelVersion: 2.6.35
236 Contact: linux-iio@vger.kernel.org 236 Contact: linux-iio@vger.kernel.org
237 Description: 237 Description:
238 Raw (unscaled no bias removal 238 Raw (unscaled no bias removal etc.) temperature measurement.
239 If an axis is specified it gen 239 If an axis is specified it generally means that the temperature
240 sensor is associated with one 240 sensor is associated with one part of a compound device (e.g.
241 a gyroscope axis). The ambient 241 a gyroscope axis). The ambient and object modifiers distinguish
242 between ambient (reference) an 242 between ambient (reference) and distant temperature for contact-
243 less measurements. Units after 243 less measurements. Units after application of scale and offset
244 are milli degrees Celsius. 244 are milli degrees Celsius.
245 245
246 What: /sys/bus/iio/devices/iio:devic !! 246 What: /sys/bus/iio/devices/iio:deviceX/in_tempX_input
247 What: /sys/bus/iio/devices/iio:devic <<
248 KernelVersion: 2.6.38 247 KernelVersion: 2.6.38
249 Contact: linux-iio@vger.kernel.org 248 Contact: linux-iio@vger.kernel.org
250 Description: 249 Description:
251 Scaled temperature measurement 250 Scaled temperature measurement in milli degrees Celsius.
252 251
253 What: /sys/bus/iio/devices/iio:devic 252 What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_raw
254 What: /sys/bus/iio/devices/iio:devic 253 What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_raw
255 What: /sys/bus/iio/devices/iio:devic 254 What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_raw
256 KernelVersion: 2.6.35 255 KernelVersion: 2.6.35
257 Contact: linux-iio@vger.kernel.org 256 Contact: linux-iio@vger.kernel.org
258 Description: 257 Description:
259 Acceleration in direction x, y 258 Acceleration in direction x, y or z (may be arbitrarily assigned
260 but should match other such as 259 but should match other such assignments on device).
261 Has all of the equivalent para 260 Has all of the equivalent parameters as per voltageY. Units
262 after application of scale and 261 after application of scale and offset are m/s^2.
263 262
264 What: /sys/bus/iio/devices/iio:devic 263 What: /sys/bus/iio/devices/iio:deviceX/in_accel_linear_x_raw
265 What: /sys/bus/iio/devices/iio:devic 264 What: /sys/bus/iio/devices/iio:deviceX/in_accel_linear_y_raw
266 What: /sys/bus/iio/devices/iio:devic 265 What: /sys/bus/iio/devices/iio:deviceX/in_accel_linear_z_raw
267 KernelVersion: 6.1 266 KernelVersion: 6.1
268 Contact: linux-iio@vger.kernel.org 267 Contact: linux-iio@vger.kernel.org
269 Description: 268 Description:
270 As per in_accel_X_raw attribut 269 As per in_accel_X_raw attributes, but minus the
271 acceleration due to gravity. 270 acceleration due to gravity.
272 271
273 What: /sys/bus/iio/devices/iio:devic 272 What: /sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw
274 What: /sys/bus/iio/devices/iio:devic 273 What: /sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw
275 What: /sys/bus/iio/devices/iio:devic 274 What: /sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw
276 KernelVersion: 4.11 275 KernelVersion: 4.11
277 Contact: linux-iio@vger.kernel.org 276 Contact: linux-iio@vger.kernel.org
278 Description: 277 Description:
279 Gravity in direction x, y or z 278 Gravity in direction x, y or z (may be arbitrarily assigned
280 but should match other such as 279 but should match other such assignments on device).
281 Units after application of sca 280 Units after application of scale and offset are m/s^2.
282 281
283 What: /sys/bus/iio/devices/iio:devic 282 What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_x_raw
284 What: /sys/bus/iio/devices/iio:devic 283 What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_y_raw
285 What: /sys/bus/iio/devices/iio:devic 284 What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_z_raw
286 KernelVersion: 6.5 285 KernelVersion: 6.5
287 Contact: linux-iio@vger.kernel.org 286 Contact: linux-iio@vger.kernel.org
288 Description: 287 Description:
289 Angular displacement between t 288 Angular displacement between two consecutive samples on x, y or
290 z (may be arbitrarily assigned 289 z (may be arbitrarily assigned but should match other such
291 assignments on device). 290 assignments on device).
292 In order to compute the total 291 In order to compute the total angular displacement during a
293 desired period of time, the ap 292 desired period of time, the application should sum-up the delta
294 angle samples acquired during 293 angle samples acquired during that time.
295 Units after application of sca 294 Units after application of scale and offset are radians.
296 295
297 What: /sys/bus/iio/devices/iio:devic 296 What: /sys/bus/iio/devices/iio:deviceX/in_deltavelocity_x_raw
298 What: /sys/bus/iio/devices/iio:devic 297 What: /sys/bus/iio/devices/iio:deviceX/in_deltavelocity_y_raw
299 What: /sys/bus/iio/devices/iio:devic 298 What: /sys/bus/iio/devices/iio:deviceX/in_deltavelocity_z_raw
300 KernelVersion: 6.5 299 KernelVersion: 6.5
301 Contact: linux-iio@vger.kernel.org 300 Contact: linux-iio@vger.kernel.org
302 Description: 301 Description:
303 The linear velocity change bet 302 The linear velocity change between two consecutive samples on x,
304 y or z (may be arbitrarily ass 303 y or z (may be arbitrarily assigned but should match other such
305 assignments on device). 304 assignments on device).
306 In order to compute the total 305 In order to compute the total linear velocity change during a
307 desired period of time, the ap 306 desired period of time, the application should sum-up the delta
308 velocity samples acquired duri 307 velocity samples acquired during that time.
309 Units after application of sca 308 Units after application of scale and offset are meters per
310 second. 309 second.
311 310
312 What: /sys/bus/iio/devices/iio:devic 311 What: /sys/bus/iio/devices/iio:deviceX/in_angl_raw
313 What: /sys/bus/iio/devices/iio:devic 312 What: /sys/bus/iio/devices/iio:deviceX/in_anglY_raw
314 KernelVersion: 4.17 313 KernelVersion: 4.17
315 Contact: linux-iio@vger.kernel.org 314 Contact: linux-iio@vger.kernel.org
316 Description: 315 Description:
317 Angle of rotation. Units after 316 Angle of rotation. Units after application of scale and offset
318 are radians. 317 are radians.
319 318
320 What: /sys/bus/iio/devices/iio:devic 319 What: /sys/bus/iio/devices/iio:deviceX/in_positionrelative_x_raw
321 What: /sys/bus/iio/devices/iio:devic 320 What: /sys/bus/iio/devices/iio:deviceX/in_positionrelative_y_raw
322 KernelVersion: 4.19 321 KernelVersion: 4.19
323 Contact: linux-iio@vger.kernel.org 322 Contact: linux-iio@vger.kernel.org
324 Description: 323 Description:
325 Relative position in direction 324 Relative position in direction x or y on a pad (may be
326 arbitrarily assigned but shoul 325 arbitrarily assigned but should match other such assignments on
327 device). 326 device).
328 Units after application of sca 327 Units after application of scale and offset are milli percents
329 from the pad's size in both di 328 from the pad's size in both directions. Should be calibrated by
330 the consumer. 329 the consumer.
331 330
332 What: /sys/bus/iio/devices/iio:devic 331 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw
333 What: /sys/bus/iio/devices/iio:devic 332 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw
334 What: /sys/bus/iio/devices/iio:devic 333 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw
335 KernelVersion: 2.6.35 334 KernelVersion: 2.6.35
336 Contact: linux-iio@vger.kernel.org 335 Contact: linux-iio@vger.kernel.org
337 Description: 336 Description:
338 Angular velocity about axis x, 337 Angular velocity about axis x, y or z (may be arbitrarily
339 assigned). Has all the equival 338 assigned). Has all the equivalent parameters as per voltageY.
340 Units after application of sca 339 Units after application of scale and offset are radians per
341 second. 340 second.
342 341
343 What: /sys/bus/iio/devices/iio:devic 342 What: /sys/bus/iio/devices/iio:deviceX/in_incli_x_raw
344 What: /sys/bus/iio/devices/iio:devic 343 What: /sys/bus/iio/devices/iio:deviceX/in_incli_y_raw
345 What: /sys/bus/iio/devices/iio:devic 344 What: /sys/bus/iio/devices/iio:deviceX/in_incli_z_raw
346 KernelVersion: 2.6.35 345 KernelVersion: 2.6.35
347 Contact: linux-iio@vger.kernel.org 346 Contact: linux-iio@vger.kernel.org
348 Description: 347 Description:
349 Inclination raw reading about 348 Inclination raw reading about axis x, y or z (may be
350 arbitrarily assigned). Data co 349 arbitrarily assigned). Data converted by application of offset
351 and scale to degrees. 350 and scale to degrees.
352 351
353 What: /sys/bus/iio/devices/iio:devic 352 What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_raw
354 What: /sys/bus/iio/devices/iio:devic 353 What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_raw
355 What: /sys/bus/iio/devices/iio:devic 354 What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_raw
356 KernelVersion: 2.6.35 355 KernelVersion: 2.6.35
357 Contact: linux-iio@vger.kernel.org 356 Contact: linux-iio@vger.kernel.org
358 Description: 357 Description:
359 Magnetic field along axis x, y 358 Magnetic field along axis x, y or z (may be arbitrarily
360 assigned). Data converted by 359 assigned). Data converted by application of offset
361 then scale to Gauss. 360 then scale to Gauss.
362 361
363 What: /sys/bus/iio/devices/iio:devic 362 What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_peak_raw
364 What: /sys/bus/iio/devices/iio:devic 363 What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_peak_raw
365 What: /sys/bus/iio/devices/iio:devic 364 What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_peak_raw
366 What: /sys/bus/iio/devices/iio:devic <<
367 What: /sys/bus/iio/devices/iio:devic <<
368 KernelVersion: 2.6.36 365 KernelVersion: 2.6.36
369 Contact: linux-iio@vger.kernel.org 366 Contact: linux-iio@vger.kernel.org
370 Description: 367 Description:
371 Highest value since some reset !! 368 Highest value since some reset condition. These
372 attributes allow access to thi <<
373 the direct equivalent of the < <<
374 <<
375 What: /sys/bus/iio/devices/iio:devic <<
376 What: /sys/bus/iio/devices/iio:devic <<
377 KernelVersion: 6.7 <<
378 Contact: linux-iio@vger.kernel.org <<
379 Description: <<
380 Lowest value since some reset <<
381 attributes allow access to thi 369 attributes allow access to this and are otherwise
382 the direct equivalent of the < 370 the direct equivalent of the <type>Y[_name]_raw attributes.
383 371
384 What: /sys/bus/iio/devices/iio:devic 372 What: /sys/bus/iio/devices/iio:deviceX/in_accel_xyz_squared_peak_raw
385 KernelVersion: 2.6.36 373 KernelVersion: 2.6.36
386 Contact: linux-iio@vger.kernel.org 374 Contact: linux-iio@vger.kernel.org
387 Description: 375 Description:
388 A computed peak value based on 376 A computed peak value based on the sum squared magnitude of
389 the underlying value in the sp 377 the underlying value in the specified directions.
390 378
391 What: /sys/bus/iio/devices/iio:devic 379 What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_raw
392 What: /sys/bus/iio/devices/iio:devic 380 What: /sys/bus/iio/devices/iio:deviceX/in_pressure_raw
393 KernelVersion: 3.8 381 KernelVersion: 3.8
394 Contact: linux-iio@vger.kernel.org 382 Contact: linux-iio@vger.kernel.org
395 Description: 383 Description:
396 Raw pressure measurement from 384 Raw pressure measurement from channel Y. Units after
397 application of scale and offse 385 application of scale and offset are kilopascal.
398 386
399 What: /sys/bus/iio/devices/iio:devic 387 What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_input
400 What: /sys/bus/iio/devices/iio:devic 388 What: /sys/bus/iio/devices/iio:deviceX/in_pressure_input
401 KernelVersion: 3.8 389 KernelVersion: 3.8
402 Contact: linux-iio@vger.kernel.org 390 Contact: linux-iio@vger.kernel.org
403 Description: 391 Description:
404 Scaled pressure measurement fr 392 Scaled pressure measurement from channel Y, in kilopascal.
405 393
406 What: /sys/bus/iio/devices/iio:devic 394 What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_raw
407 KernelVersion: 3.14 395 KernelVersion: 3.14
408 Contact: linux-iio@vger.kernel.org 396 Contact: linux-iio@vger.kernel.org
409 Description: 397 Description:
410 Raw humidity measurement of ai 398 Raw humidity measurement of air. Units after application of
411 scale and offset are milli per 399 scale and offset are milli percent.
412 400
413 What: /sys/bus/iio/devices/iio:devic 401 What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_input
414 KernelVersion: 3.14 402 KernelVersion: 3.14
415 Contact: linux-iio@vger.kernel.org 403 Contact: linux-iio@vger.kernel.org
416 Description: 404 Description:
417 Scaled humidity measurement in 405 Scaled humidity measurement in milli percent.
418 406
419 What: /sys/bus/iio/devices/iio:devic 407 What: /sys/bus/iio/devices/iio:deviceX/in_X_mean_raw
420 KernelVersion: 3.5 408 KernelVersion: 3.5
421 Contact: linux-iio@vger.kernel.org 409 Contact: linux-iio@vger.kernel.org
422 Description: 410 Description:
423 Averaged raw measurement from 411 Averaged raw measurement from channel X. The number of values
424 used for averaging is device s 412 used for averaging is device specific. The converting rules for
425 normal raw values also applies 413 normal raw values also applies to the averaged raw values.
426 414
427 What: /sys/bus/iio/devices/iio:devic 415 What: /sys/bus/iio/devices/iio:deviceX/in_accel_offset
428 What: /sys/bus/iio/devices/iio:devic 416 What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_offset
429 What: /sys/bus/iio/devices/iio:devic 417 What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset
430 What: /sys/bus/iio/devices/iio:devic 418 What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_offset
431 What: /sys/bus/iio/devices/iio:devic 419 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_offset
432 What: /sys/bus/iio/devices/iio:devic 420 What: /sys/bus/iio/devices/iio:deviceX/in_voltage_offset
433 What: /sys/bus/iio/devices/iio:devic 421 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_offset
434 What: /sys/bus/iio/devices/iio:devic 422 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_offset
435 What: /sys/bus/iio/devices/iio:devic 423 What: /sys/bus/iio/devices/iio:deviceX/in_voltage_q_offset
436 What: /sys/bus/iio/devices/iio:devic 424 What: /sys/bus/iio/devices/iio:deviceX/in_voltage_i_offset
437 What: /sys/bus/iio/devices/iio:devic 425 What: /sys/bus/iio/devices/iio:deviceX/in_currentY_offset
438 What: /sys/bus/iio/devices/iio:devic 426 What: /sys/bus/iio/devices/iio:deviceX/in_current_offset
439 What: /sys/bus/iio/devices/iio:devic 427 What: /sys/bus/iio/devices/iio:deviceX/in_currentY_i_offset
440 What: /sys/bus/iio/devices/iio:devic 428 What: /sys/bus/iio/devices/iio:deviceX/in_currentY_q_offset
441 What: /sys/bus/iio/devices/iio:devic 429 What: /sys/bus/iio/devices/iio:deviceX/in_current_q_offset
442 What: /sys/bus/iio/devices/iio:devic 430 What: /sys/bus/iio/devices/iio:deviceX/in_current_i_offset
443 What: /sys/bus/iio/devices/iio:devic 431 What: /sys/bus/iio/devices/iio:deviceX/in_tempY_offset
444 What: /sys/bus/iio/devices/iio:devic 432 What: /sys/bus/iio/devices/iio:deviceX/in_temp_offset
445 What: /sys/bus/iio/devices/iio:devic 433 What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_offset
446 What: /sys/bus/iio/devices/iio:devic 434 What: /sys/bus/iio/devices/iio:deviceX/in_pressure_offset
447 What: /sys/bus/iio/devices/iio:devic 435 What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_offset
448 What: /sys/bus/iio/devices/iio:devic 436 What: /sys/bus/iio/devices/iio:deviceX/in_magn_offset
449 What: /sys/bus/iio/devices/iio:devic 437 What: /sys/bus/iio/devices/iio:deviceX/in_rot_offset
450 What: /sys/bus/iio/devices/iio:devic 438 What: /sys/bus/iio/devices/iio:deviceX/in_angl_offset
451 What: /sys/bus/iio/devices/iio:devic 439 What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceX_offset
452 KernelVersion: 2.6.35 440 KernelVersion: 2.6.35
453 Contact: linux-iio@vger.kernel.org 441 Contact: linux-iio@vger.kernel.org
454 Description: 442 Description:
455 If known for a device, offset 443 If known for a device, offset to be added to <type>[Y]_raw prior
456 to scaling by <type>[Y]_scale 444 to scaling by <type>[Y]_scale in order to obtain value in the
457 <type> units as specified in < 445 <type> units as specified in <type>[Y]_raw documentation.
458 Not present if the offset is a 446 Not present if the offset is always 0 or unknown. If Y or
459 axis <x|y|z> is not present, t 447 axis <x|y|z> is not present, then the offset applies to all
460 in channels of <type>. 448 in channels of <type>.
461 May be writable if a variable 449 May be writable if a variable offset can be applied on the
462 device. Note that this is diff 450 device. Note that this is different to calibbias which
463 is for devices (or drivers) th 451 is for devices (or drivers) that apply offsets to compensate
464 for variation between differen 452 for variation between different instances of the part, typically
465 adjusted by using some hardwar 453 adjusted by using some hardware supported calibration procedure.
466 Calibbias is applied internall 454 Calibbias is applied internally, offset is applied in userspace
467 to the _raw output. 455 to the _raw output.
468 456
469 What: /sys/bus/iio/devices/iio:devic 457 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale
470 What: /sys/bus/iio/devices/iio:devic 458 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_scale
471 What: /sys/bus/iio/devices/iio:devic 459 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_scale
472 What: /sys/bus/iio/devices/iio:devic 460 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale
473 What: /sys/bus/iio/devices/iio:devic 461 What: /sys/bus/iio/devices/iio:deviceX/in_voltage_scale
474 What: /sys/bus/iio/devices/iio:devic 462 What: /sys/bus/iio/devices/iio:deviceX/in_voltage_i_scale
475 What: /sys/bus/iio/devices/iio:devic 463 What: /sys/bus/iio/devices/iio:deviceX/in_voltage_q_scale
476 What: /sys/bus/iio/devices/iio:devic 464 What: /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_scale
477 What: /sys/bus/iio/devices/iio:devic 465 What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale
478 What: /sys/bus/iio/devices/iio:devic 466 What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale
479 What: /sys/bus/iio/devices/iio:devic 467 What: /sys/bus/iio/devices/iio:deviceX/in_currentY_scale
480 What: /sys/bus/iio/devices/iio:devic 468 What: /sys/bus/iio/devices/iio:deviceX/in_currentY_supply_scale
481 What: /sys/bus/iio/devices/iio:devic 469 What: /sys/bus/iio/devices/iio:deviceX/in_current_scale
482 What: /sys/bus/iio/devices/iio:devic 470 What: /sys/bus/iio/devices/iio:deviceX/in_currentY_i_scale
483 What: /sys/bus/iio/devices/iio:devic 471 What: /sys/bus/iio/devices/iio:deviceX/in_currentY_q_scale
484 What: /sys/bus/iio/devices/iio:devic 472 What: /sys/bus/iio/devices/iio:deviceX/in_current_i_scale
485 What: /sys/bus/iio/devices/iio:devic 473 What: /sys/bus/iio/devices/iio:deviceX/in_current_q_scale
486 What: /sys/bus/iio/devices/iio:devic 474 What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale
487 What: /sys/bus/iio/devices/iio:devic 475 What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale
488 What: /sys/bus/iio/devices/iio:devic 476 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale
489 What: /sys/bus/iio/devices/iio:devic 477 What: /sys/bus/iio/devices/iio:deviceX/in_energy_scale
490 What: /sys/bus/iio/devices/iio:devic 478 What: /sys/bus/iio/devices/iio:deviceX/in_distance_scale
491 What: /sys/bus/iio/devices/iio:devic 479 What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale
492 What: /sys/bus/iio/devices/iio:devic 480 What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale
493 What: /sys/bus/iio/devices/iio:devic 481 What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale
494 What: /sys/bus/iio/devices/iio:devic 482 What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_scale
495 What: /sys/bus/iio/devices/iio:devic 483 What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_scale
496 What: /sys/bus/iio/devices/iio:devic 484 What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_scale
497 What: /sys/bus/iio/devices/iio:devic 485 What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_tilt_comp_scale
498 What: /sys/bus/iio/devices/iio:devic 486 What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_tilt_comp_scale
499 What: /sys/bus/iio/devices/iio:devic 487 What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_scale
500 What: /sys/bus/iio/devices/iio:devic 488 What: /sys/bus/iio/devices/iio:deviceX/in_pressure_scale
501 What: /sys/bus/iio/devices/iio:devic 489 What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_scale
502 What: /sys/bus/iio/devices/iio:devic 490 What: /sys/bus/iio/devices/iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_scale
503 What: /sys/bus/iio/devices/iio:devic 491 What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_scale
504 What: /sys/bus/iio/devices/iio:devic 492 What: /sys/bus/iio/devices/iio:deviceX/in_countY_scale
505 What: /sys/bus/iio/devices/iio:devic 493 What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_scale
506 What: /sys/bus/iio/devices/iio:devic 494 What: /sys/bus/iio/devices/iio:deviceX/in_deltavelocity_scale
507 What: /sys/bus/iio/devices/iio:devic 495 What: /sys/bus/iio/devices/iio:deviceX/in_angl_scale
508 What: /sys/bus/iio/devices/iio:devic 496 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_x_scale
509 What: /sys/bus/iio/devices/iio:devic 497 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_y_scale
510 What: /sys/bus/iio/devices/iio:devic 498 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_z_scale
511 What: /sys/bus/iio/devices/iio:devic 499 What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_scale
512 KernelVersion: 2.6.35 500 KernelVersion: 2.6.35
513 Contact: linux-iio@vger.kernel.org 501 Contact: linux-iio@vger.kernel.org
514 Description: 502 Description:
515 If known for a device, scale t 503 If known for a device, scale to be applied to <type>Y[_name]_raw
516 post addition of <type>[Y][_na 504 post addition of <type>[Y][_name]_offset in order to obtain the
517 measured value in <type> units 505 measured value in <type> units as specified in
518 <type>[Y][_name]_raw documenta 506 <type>[Y][_name]_raw documentation. If shared across all in
519 channels then Y and <x|y|z> ar 507 channels then Y and <x|y|z> are not present and the value is
520 called <type>[Y][_name]_scale. 508 called <type>[Y][_name]_scale. The peak modifier means this
521 value is applied to <type>Y[_n 509 value is applied to <type>Y[_name]_peak_raw values.
522 510
523 What: /sys/bus/iio/devices/iio:devic 511 What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibbias
524 What: /sys/bus/iio/devices/iio:devic 512 What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibbias
525 What: /sys/bus/iio/devices/iio:devic 513 What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibbias
526 What: /sys/bus/iio/devices/iio:devic <<
527 What: /sys/bus/iio/devices/iio:devic <<
528 What: /sys/bus/iio/devices/iio:devic 514 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibbias
529 What: /sys/bus/iio/devices/iio:devic 515 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibbias
530 What: /sys/bus/iio/devices/iio:devic 516 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibbias
531 What: /sys/bus/iio/devices/iio:devic <<
532 What: /sys/bus/iio/devices/iio:devic <<
533 What: /sys/bus/iio/devices/iio:devic 517 What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibbias
534 What: /sys/bus/iio/devices/iio:devic <<
535 What: /sys/bus/iio/devices/iio:devic <<
536 What: /sys/bus/iio/devices/iio:devic <<
537 What: /sys/bus/iio/devices/iio:devic <<
538 What: /sys/bus/iio/devices/iio:devic <<
539 What: /sys/bus/iio/devices/iio:devic <<
540 What: /sys/bus/iio/devices/iio:devic <<
541 What: /sys/bus/iio/devices/iio:devic 518 What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibbias
542 What: /sys/bus/iio/devices/iio:devic !! 519 What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibbias
543 What: /sys/bus/iio/devices/iio:devic !! 520 What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibbias
544 What: /sys/bus/iio/devices/iio:devic <<
545 What: /sys/bus/iio/devices/iio:devic <<
546 What: /sys/bus/iio/devices/iio:devic <<
547 KernelVersion: 2.6.35 521 KernelVersion: 2.6.35
548 Contact: linux-iio@vger.kernel.org 522 Contact: linux-iio@vger.kernel.org
549 Description: 523 Description:
550 Hardware applied calibration o 524 Hardware applied calibration offset (assumed to fix production
551 inaccuracies). 525 inaccuracies).
552 icm42600: For this device valu 526 icm42600: For this device values are real physical offsets
553 expressed in SI units (m/s^2 f 527 expressed in SI units (m/s^2 for accelerometers and rad/s
554 for gyroscope)/ 528 for gyroscope)/
555 529
556 What: /sys/bus/iio/devices/iio:devic 530 What: /sys/bus/iio/devices/iio:deviceX/in_accel_calibbias_available
557 What: /sys/bus/iio/devices/iio:devic 531 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_calibbias_available
558 What: /sys/bus/iio/devices/iio:devic <<
559 What: /sys/bus/iio/devices/iio:devic <<
560 What: /sys/bus/iio/devices/iio:devic <<
561 What: /sys/bus/iio/devices/iio:devic <<
562 KernelVersion: 5.8 532 KernelVersion: 5.8
563 Contact: linux-iio@vger.kernel.org 533 Contact: linux-iio@vger.kernel.org
564 Description: 534 Description:
565 Available values of calibbias. 535 Available values of calibbias. Maybe expressed as either of:
566 536
567 - a small discrete set of valu 537 - a small discrete set of values like "0 2 4 6 8"
568 - a range specified as "[min s 538 - a range specified as "[min step max]"
569 539
>> 540 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale
>> 541 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_calibscale
>> 542 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_calibscale
>> 543 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_calibscale
>> 544 What: /sys/bus/iio/devices/iio:deviceX/in_voltage_i_calibscale
>> 545 What: /sys/bus/iio/devices/iio:deviceX/in_voltage_q_calibscale
>> 546 What: /sys/bus/iio/devices/iio:deviceX/in_altvoltage_calibscale
>> 547 What: /sys/bus/iio/devices/iio:deviceX/in_voltage_calibscale
570 What: /sys/bus/iio/devices/iio:devic 548 What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibscale
571 What: /sys/bus/iio/devices/iio:devic 549 What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibscale
572 What: /sys/bus/iio/devices/iio:devic 550 What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibscale
573 What: /sys/bus/iio/devices/iio:devic <<
574 What: /sys/bus/iio/devices/iio:devic 551 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibscale
575 What: /sys/bus/iio/devices/iio:devic 552 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibscale
576 What: /sys/bus/iio/devices/iio:devic 553 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibscale
577 What: /sys/bus/iio/devices/iio:devic <<
578 What: /sys/bus/iio/devices/iio:devic <<
579 What: /sys/bus/iio/devices/iio:devic 554 What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibscale
580 What: /sys/bus/iio/devices/iio:devic <<
581 What: /sys/bus/iio/devices/iio:devic <<
582 What: /sys/bus/iio/devices/iio:devic <<
583 What: /sys/bus/iio/devices/iio:devic <<
584 What: /sys/bus/iio/devices/iio:devic <<
585 What: /sys/bus/iio/devices/iio:devic <<
586 What: /sys/bus/iio/devices/iio:devic <<
587 What: /sys/bus/iio/devices/iio:devic <<
588 What: /sys/bus/iio/devices/iio:devic 555 What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibscale
589 What: /sys/bus/iio/devices/iio:devic !! 556 What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibscale
590 What: /sys/bus/iio/devices/iio:devic !! 557 What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibscale
591 What: /sys/bus/iio/devices/iio:devic !! 558 What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_calibscale
592 What: /sys/bus/iio/devices/iio:devic <<
593 What: /sys/bus/iio/devices/iio:devic <<
594 What: /sys/bus/iio/devices/iio:devic <<
595 What: /sys/bus/iio/devices/iio:devic <<
596 What: /sys/bus/iio/devices/iio:devic <<
597 What: /sys/bus/iio/devices/iio:devic <<
598 KernelVersion: 2.6.35 559 KernelVersion: 2.6.35
599 Contact: linux-iio@vger.kernel.org 560 Contact: linux-iio@vger.kernel.org
600 Description: 561 Description:
601 Hardware applied calibration s 562 Hardware applied calibration scale factor (assumed to fix
602 production inaccuracies). If 563 production inaccuracies). If shared across all channels,
603 <type>_calibscale is used. 564 <type>_calibscale is used.
604 565
605 What: /sys/bus/iio/devices/iio:devic <<
606 What: /sys/bus/iio/devices/iio:devic <<
607 What: /sys/bus/iio/devices/iio:devic <<
608 What: /sys/bus/iio/devices/iio:devic <<
609 KernelVersion: 4.8 <<
610 Contact: linux-iio@vger.kernel.org <<
611 Description: <<
612 Available values of calibscale <<
613 <<
614 - a small discrete set of valu <<
615 - a range specified as "[min s <<
616 <<
617 If shared across all channels, <<
618 <<
619 What: /sys/bus/iio/devices/iio:devic 566 What: /sys/bus/iio/devices/iio:deviceX/in_activity_calibgender
620 What: /sys/bus/iio/devices/iio:devic 567 What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibgender
621 What: /sys/bus/iio/devices/iio:devic 568 What: /sys/bus/iio/devices/iio:deviceX/in_distance_calibgender
622 What: /sys/bus/iio/devices/iio:devic 569 What: /sys/bus/iio/devices/iio:deviceX/in_velocity_calibgender
623 KernelVersion: 4.0 570 KernelVersion: 4.0
624 Contact: linux-iio@vger.kernel.org 571 Contact: linux-iio@vger.kernel.org
625 Description: 572 Description:
626 Gender of the user (e.g.: male 573 Gender of the user (e.g.: male, female) used by some pedometers
627 to compute the stride length, 574 to compute the stride length, distance, speed and activity
628 type. 575 type.
629 576
630 What: /sys/bus/iio/devices/iio:devic 577 What: /sys/bus/iio/devices/iio:deviceX/in_activity_calibgender_available
631 What: /sys/bus/iio/devices/iio:devic 578 What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibgender_available
632 What: /sys/bus/iio/devices/iio:devic 579 What: /sys/bus/iio/devices/iio:deviceX/in_distance_calibgender_available
633 What: /sys/bus/iio/devices/iio:devic 580 What: /sys/bus/iio/devices/iio:deviceX/in_velocity_calibgender_available
634 KernelVersion: 4.0 581 KernelVersion: 4.0
635 Contact: linux-iio@vger.kernel.org 582 Contact: linux-iio@vger.kernel.org
636 Description: 583 Description:
637 Lists all available gender val 584 Lists all available gender values (e.g.: male, female).
638 585
639 What: /sys/bus/iio/devices/iio:devic 586 What: /sys/bus/iio/devices/iio:deviceX/in_activity_calibheight
640 What: /sys/bus/iio/devices/iio:devic 587 What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibheight
641 What: /sys/bus/iio/devices/iio:devic 588 What: /sys/bus/iio/devices/iio:deviceX/in_distance_calibheight
642 What: /sys/bus/iio/devices/iio:devic 589 What: /sys/bus/iio/devices/iio:deviceX/in_velocity_calibheight
643 KernelVersion: 3.19 590 KernelVersion: 3.19
644 Contact: linux-iio@vger.kernel.org 591 Contact: linux-iio@vger.kernel.org
645 Description: 592 Description:
646 Height of the user (in meters) 593 Height of the user (in meters) used by some pedometers
647 to compute the stride length, 594 to compute the stride length, distance, speed and activity
648 type. 595 type.
649 596
650 What: /sys/bus/iio/devices/iio:devic 597 What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibweight
651 KernelVersion: 4.0 598 KernelVersion: 4.0
652 Contact: linux-iio@vger.kernel.org 599 Contact: linux-iio@vger.kernel.org
653 Description: 600 Description:
654 Weight of the user (in kg). It 601 Weight of the user (in kg). It is needed by some pedometers
655 to compute the calories burnt 602 to compute the calories burnt by the user.
656 603
657 What: /sys/bus/iio/devices/iio:devic 604 What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available
658 What: /sys/.../iio:deviceX/in_anglve 605 What: /sys/.../iio:deviceX/in_anglvel_scale_available
659 What: /sys/.../iio:deviceX/in_magn_s 606 What: /sys/.../iio:deviceX/in_magn_scale_available
660 What: /sys/.../iio:deviceX/in_illumi 607 What: /sys/.../iio:deviceX/in_illuminance_scale_available
661 What: /sys/.../iio:deviceX/in_intens 608 What: /sys/.../iio:deviceX/in_intensity_scale_available
662 What: /sys/.../iio:deviceX/in_proxim 609 What: /sys/.../iio:deviceX/in_proximity_scale_available
663 What: /sys/.../iio:deviceX/in_voltag 610 What: /sys/.../iio:deviceX/in_voltageX_scale_available
664 What: /sys/.../iio:deviceX/in_voltag 611 What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available
665 What: /sys/.../iio:deviceX/out_volta 612 What: /sys/.../iio:deviceX/out_voltageX_scale_available
666 What: /sys/.../iio:deviceX/out_altvo 613 What: /sys/.../iio:deviceX/out_altvoltageX_scale_available
667 What: /sys/.../iio:deviceX/in_capaci 614 What: /sys/.../iio:deviceX/in_capacitance_scale_available
668 What: /sys/.../iio:deviceX/in_pressu 615 What: /sys/.../iio:deviceX/in_pressure_scale_available
669 What: /sys/.../iio:deviceX/in_pressu 616 What: /sys/.../iio:deviceX/in_pressureY_scale_available
670 KernelVersion: 2.6.35 617 KernelVersion: 2.6.35
671 Contact: linux-iio@vger.kernel.org 618 Contact: linux-iio@vger.kernel.org
672 Description: 619 Description:
673 If a discrete set of scale val 620 If a discrete set of scale values is available, they
674 are listed in this attribute. !! 621 are listed in this attribute.
675 multiplying intensity by inten <<
676 yield value with any standardi <<
677 622
678 What: /sys/bus/iio/devices/iio:devic 623 What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_hardwaregain
679 What: /sys/bus/iio/devices/iio:devic 624 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hardwaregain
680 What: /sys/bus/iio/devices/iio:devic 625 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_red_hardwaregain
681 What: /sys/bus/iio/devices/iio:devic 626 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_green_hardwaregain
682 What: /sys/bus/iio/devices/iio:devic 627 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_blue_hardwaregain
683 What: /sys/bus/iio/devices/iio:devic 628 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_clear_hardwaregain
684 KernelVersion: 2.6.35 629 KernelVersion: 2.6.35
685 Contact: linux-iio@vger.kernel.org 630 Contact: linux-iio@vger.kernel.org
686 Description: 631 Description:
687 Hardware applied gain factor. 632 Hardware applied gain factor. If shared across all channels,
688 <type>_hardwaregain is used. 633 <type>_hardwaregain is used.
689 634
690 What: /sys/bus/iio/devices/iio:devic 635 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hardwaregain_available
691 KernelVersion: 5.10 636 KernelVersion: 5.10
692 Contact: linux-iio@vger.kernel.org 637 Contact: linux-iio@vger.kernel.org
693 Description: 638 Description:
694 Lists all available hardware a 639 Lists all available hardware applied gain factors. Shared across all
695 channels. 640 channels.
696 641
697 What: /sys/.../in_accel_filter_low_p 642 What: /sys/.../in_accel_filter_low_pass_3db_frequency
698 What: /sys/.../in_magn_filter_low_pa 643 What: /sys/.../in_magn_filter_low_pass_3db_frequency
699 What: /sys/.../in_anglvel_filter_low 644 What: /sys/.../in_anglvel_filter_low_pass_3db_frequency
700 KernelVersion: 3.2 645 KernelVersion: 3.2
701 Contact: linux-iio@vger.kernel.org 646 Contact: linux-iio@vger.kernel.org
702 Description: 647 Description:
703 If a known or controllable low 648 If a known or controllable low pass filter is applied
704 to the underlying data channel 649 to the underlying data channel, then this parameter
705 gives the 3dB frequency of the 650 gives the 3dB frequency of the filter in Hz.
706 651
707 What: /sys/.../in_accel_filter_high_ 652 What: /sys/.../in_accel_filter_high_pass_3db_frequency
708 What: /sys/.../in_anglvel_filter_hig 653 What: /sys/.../in_anglvel_filter_high_pass_3db_frequency
709 What: /sys/.../in_magn_filter_high_p 654 What: /sys/.../in_magn_filter_high_pass_3db_frequency
710 KernelVersion: 4.2 655 KernelVersion: 4.2
711 Contact: linux-iio@vger.kernel.org 656 Contact: linux-iio@vger.kernel.org
712 Description: 657 Description:
713 If a known or controllable hig 658 If a known or controllable high pass filter is applied
714 to the underlying data channel 659 to the underlying data channel, then this parameter
715 gives the 3dB frequency of the 660 gives the 3dB frequency of the filter in Hz.
716 661
717 What: /sys/bus/iio/devices/iio:devic 662 What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw
718 What: /sys/bus/iio/devices/iio:devic 663 What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw
719 KernelVersion: 2.6.37 664 KernelVersion: 2.6.37
720 Contact: linux-iio@vger.kernel.org 665 Contact: linux-iio@vger.kernel.org
721 Description: 666 Description:
722 Raw (unscaled, no bias etc.) o 667 Raw (unscaled, no bias etc.) output voltage for
723 channel Y. The number must al 668 channel Y. The number must always be specified and
724 unique if the output correspon 669 unique if the output corresponds to a single channel.
725 While DAC like devices typical 670 While DAC like devices typically use out_voltage,
726 a continuous frequency generat 671 a continuous frequency generating device, such as
727 a DDS or PLL should use out_al 672 a DDS or PLL should use out_altvoltage.
728 673
729 What: /sys/bus/iio/devices/iio:devic 674 What: /sys/bus/iio/devices/iio:deviceX/out_voltageY&Z_raw
730 What: /sys/bus/iio/devices/iio:devic 675 What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY&Z_raw
731 KernelVersion: 2.6.37 676 KernelVersion: 2.6.37
732 Contact: linux-iio@vger.kernel.org 677 Contact: linux-iio@vger.kernel.org
733 Description: 678 Description:
734 Raw (unscaled, no bias etc.) o 679 Raw (unscaled, no bias etc.) output voltage for an aggregate of
735 channel Y, channel Z, etc. Th 680 channel Y, channel Z, etc. This interface is available in cases
736 where a single output sets the 681 where a single output sets the value for multiple channels
737 simultaneously. 682 simultaneously.
738 683
739 What: /sys/bus/iio/devices/iio:devic 684 What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown_mode
740 What: /sys/bus/iio/devices/iio:devic 685 What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown_mode
741 What: /sys/bus/iio/devices/iio:devic 686 What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown_mode
742 What: /sys/bus/iio/devices/iio:devic 687 What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown_mode
743 KernelVersion: 2.6.38 688 KernelVersion: 2.6.38
744 Contact: linux-iio@vger.kernel.org 689 Contact: linux-iio@vger.kernel.org
745 Description: 690 Description:
746 Specifies the output powerdown 691 Specifies the output powerdown mode.
747 DAC output stage is disconnect 692 DAC output stage is disconnected from the amplifier and
748 1kohm_to_gnd: connected to gro 693 1kohm_to_gnd: connected to ground via an 1kOhm resistor,
749 2.5kohm_to_gnd: connected to g 694 2.5kohm_to_gnd: connected to ground via a 2.5kOhm resistor,
750 6kohm_to_gnd: connected to gro 695 6kohm_to_gnd: connected to ground via a 6kOhm resistor,
751 20kohm_to_gnd: connected to gr 696 20kohm_to_gnd: connected to ground via a 20kOhm resistor,
752 42kohm_to_gnd: connected to gr <<
753 90kohm_to_gnd: connected to gr 697 90kohm_to_gnd: connected to ground via a 90kOhm resistor,
754 100kohm_to_gnd: connected to g 698 100kohm_to_gnd: connected to ground via an 100kOhm resistor,
755 125kohm_to_gnd: connected to g 699 125kohm_to_gnd: connected to ground via an 125kOhm resistor,
756 500kohm_to_gnd: connected to g 700 500kohm_to_gnd: connected to ground via a 500kOhm resistor,
757 640kohm_to_gnd: connected to g 701 640kohm_to_gnd: connected to ground via a 640kOhm resistor,
758 three_state: left floating. 702 three_state: left floating.
759 For a list of available output 703 For a list of available output power down options read
760 outX_powerdown_mode_available. 704 outX_powerdown_mode_available. If Y is not present the
761 mode is shared across all outp 705 mode is shared across all outputs.
762 706
763 What: /sys/.../iio:deviceX/out_volta 707 What: /sys/.../iio:deviceX/out_voltageY_powerdown_mode_available
764 What: /sys/.../iio:deviceX/out_volta 708 What: /sys/.../iio:deviceX/out_voltage_powerdown_mode_available
765 What: /sys/.../iio:deviceX/out_altvo 709 What: /sys/.../iio:deviceX/out_altvoltageY_powerdown_mode_available
766 What: /sys/.../iio:deviceX/out_altvo 710 What: /sys/.../iio:deviceX/out_altvoltage_powerdown_mode_available
767 KernelVersion: 2.6.38 711 KernelVersion: 2.6.38
768 Contact: linux-iio@vger.kernel.org 712 Contact: linux-iio@vger.kernel.org
769 Description: 713 Description:
770 Lists all available output pow 714 Lists all available output power down modes.
771 If Y is not present the mode i 715 If Y is not present the mode is shared across all outputs.
772 716
773 What: /sys/bus/iio/devices/iio:devic 717 What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown
774 What: /sys/bus/iio/devices/iio:devic 718 What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown
775 What: /sys/bus/iio/devices/iio:devic 719 What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown
776 What: /sys/bus/iio/devices/iio:devic 720 What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown
777 KernelVersion: 2.6.38 721 KernelVersion: 2.6.38
778 Contact: linux-iio@vger.kernel.org 722 Contact: linux-iio@vger.kernel.org
779 Description: 723 Description:
780 Writing 1 causes output Y to e 724 Writing 1 causes output Y to enter the power down mode specified
781 by the corresponding outY_powe 725 by the corresponding outY_powerdown_mode. DAC output stage is
782 disconnected from the amplifie 726 disconnected from the amplifier. Clearing returns to normal
783 operation. Y may be suppressed 727 operation. Y may be suppressed if all outputs are controlled
784 together. 728 together.
785 729
786 What: /sys/bus/iio/devices/iio:devic 730 What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency
787 KernelVersion: 3.4.0 731 KernelVersion: 3.4.0
788 Contact: linux-iio@vger.kernel.org 732 Contact: linux-iio@vger.kernel.org
789 Description: 733 Description:
790 Output frequency for channel Y 734 Output frequency for channel Y in Hz. The number must always be
791 specified and unique if the ou 735 specified and unique if the output corresponds to a single
792 channel. 736 channel.
793 Some drivers have additional c 737 Some drivers have additional constraints:
794 ADF4371 has an integrated VCO 738 ADF4371 has an integrated VCO with fundamendal output
795 frequency ranging from 4000000 739 frequency ranging from 4000000000 Hz 8000000000 Hz.
796 740
797 out_altvoltage0_frequency: 741 out_altvoltage0_frequency:
798 A divide by 1, 2, 4, 8 742 A divide by 1, 2, 4, 8, 16, 32 or circuit generates
799 frequencies from 62500 743 frequencies from 62500000 Hz to 8000000000 Hz.
800 out_altvoltage1_frequency: 744 out_altvoltage1_frequency:
801 This channel duplicate 745 This channel duplicates the channel 0 frequency
802 out_altvoltage2_frequency: 746 out_altvoltage2_frequency:
803 A frequency doubler ge 747 A frequency doubler generates frequencies from
804 8000000000 Hz to 16000 748 8000000000 Hz to 16000000000 Hz.
805 out_altvoltage3_frequency: 749 out_altvoltage3_frequency:
806 A frequency quadrupler 750 A frequency quadrupler generates frequencies from
807 16000000000 Hz to 3200 751 16000000000 Hz to 32000000000 Hz.
808 752
809 Note: writes to one of the cha 753 Note: writes to one of the channels will affect the frequency of
810 all the other channels, since 754 all the other channels, since it involves changing the VCO
811 fundamental output frequency. 755 fundamental output frequency.
812 756
813 What: /sys/bus/iio/devices/iio:devic 757 What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_phase
814 KernelVersion: 3.4.0 758 KernelVersion: 3.4.0
815 Contact: linux-iio@vger.kernel.org 759 Contact: linux-iio@vger.kernel.org
816 Description: 760 Description:
817 Phase in radians of one freque 761 Phase in radians of one frequency/clock output Y
818 (out_altvoltageY) relative to 762 (out_altvoltageY) relative to another frequency/clock output
819 (out_altvoltageZ) of the devic 763 (out_altvoltageZ) of the device X. The number must always be
820 specified and unique if the ou 764 specified and unique if the output corresponds to a single
821 channel. 765 channel.
822 766
823 What: /sys/bus/iio/devices/iio:devic 767 What: /sys/bus/iio/devices/iio:deviceX/out_currentY_raw
824 Date: May 2012 768 Date: May 2012
825 KernelVersion: 3.5 769 KernelVersion: 3.5
826 Contact: Johan Hovold <jhovold@gmail.com 770 Contact: Johan Hovold <jhovold@gmail.com>
827 Description: 771 Description:
828 Set/get output current for cha 772 Set/get output current for channel Y. Units after application
829 of scale and offset are millia 773 of scale and offset are milliamps.
830 For some devices current chann 774 For some devices current channels are used to specify
831 current supplied to elements u 775 current supplied to elements used in taking a measurement
832 of a different type. E.g. LED 776 of a different type. E.g. LED currents.
833 777
834 What: /sys/bus/iio/devices/iio:devic 778 What: /sys/bus/iio/devices/iio:deviceX/events
835 KernelVersion: 2.6.35 779 KernelVersion: 2.6.35
836 Contact: linux-iio@vger.kernel.org 780 Contact: linux-iio@vger.kernel.org
837 Description: 781 Description:
838 Configuration of which hardwar 782 Configuration of which hardware generated events are passed up
839 to user-space. 783 to user-space.
840 784
841 What: /sys/.../iio:deviceX/events/in 785 What: /sys/.../iio:deviceX/events/in_accel_x_thresh_rising_en
842 What: /sys/.../iio:deviceX/events/in 786 What: /sys/.../iio:deviceX/events/in_accel_x_thresh_falling_en
843 What: /sys/.../iio:deviceX/events/in 787 What: /sys/.../iio:deviceX/events/in_accel_y_thresh_rising_en
844 What: /sys/.../iio:deviceX/events/in 788 What: /sys/.../iio:deviceX/events/in_accel_y_thresh_falling_en
845 What: /sys/.../iio:deviceX/events/in 789 What: /sys/.../iio:deviceX/events/in_accel_z_thresh_rising_en
846 What: /sys/.../iio:deviceX/events/in 790 What: /sys/.../iio:deviceX/events/in_accel_z_thresh_falling_en
847 What: /sys/.../iio:deviceX/events/in 791 What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_rising_en
848 What: /sys/.../iio:deviceX/events/in 792 What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_falling_en
849 What: /sys/.../iio:deviceX/events/in 793 What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_rising_en
850 What: /sys/.../iio:deviceX/events/in 794 What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_falling_en
851 What: /sys/.../iio:deviceX/events/in 795 What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_rising_en
852 What: /sys/.../iio:deviceX/events/in 796 What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_falling_en
853 What: /sys/.../iio:deviceX/events/in 797 What: /sys/.../iio:deviceX/events/in_magn_x_thresh_rising_en
854 What: /sys/.../iio:deviceX/events/in 798 What: /sys/.../iio:deviceX/events/in_magn_x_thresh_falling_en
855 What: /sys/.../iio:deviceX/events/in 799 What: /sys/.../iio:deviceX/events/in_magn_y_thresh_rising_en
856 What: /sys/.../iio:deviceX/events/in 800 What: /sys/.../iio:deviceX/events/in_magn_y_thresh_falling_en
857 What: /sys/.../iio:deviceX/events/in 801 What: /sys/.../iio:deviceX/events/in_magn_z_thresh_rising_en
858 What: /sys/.../iio:deviceX/events/in 802 What: /sys/.../iio:deviceX/events/in_magn_z_thresh_falling_en
859 What: /sys/.../iio:deviceX/events/in 803 What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_thresh_rising_en
860 What: /sys/.../iio:deviceX/events/in 804 What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_thresh_falling_en
861 What: /sys/.../iio:deviceX/events/in 805 What: /sys/.../iio:deviceX/events/in_rot_from_north_true_thresh_rising_en
862 What: /sys/.../iio:deviceX/events/in 806 What: /sys/.../iio:deviceX/events/in_rot_from_north_true_thresh_falling_en
863 What: /sys/.../iio:deviceX/events/in 807 What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_thresh_rising_en
864 What: /sys/.../iio:deviceX/events/in 808 What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_thresh_falling_en
865 What: /sys/.../iio:deviceX/events/in 809 What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_thresh_rising_en
866 What: /sys/.../iio:deviceX/events/in 810 What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_thresh_falling_en
867 What: /sys/.../iio:deviceX/events/in 811 What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_rising_en
868 What: /sys/.../iio:deviceX/events/in 812 What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_falling_en
869 What: /sys/.../iio:deviceX/events/in 813 What: /sys/.../iio:deviceX/events/in_voltageY_thresh_rising_en
870 What: /sys/.../iio:deviceX/events/in 814 What: /sys/.../iio:deviceX/events/in_voltageY_thresh_falling_en
871 What: /sys/.../iio:deviceX/events/in 815 What: /sys/.../iio:deviceX/events/in_voltageY_thresh_either_en
872 What: /sys/.../iio:deviceX/events/in 816 What: /sys/.../iio:deviceX/events/in_tempY_thresh_rising_en
873 What: /sys/.../iio:deviceX/events/in 817 What: /sys/.../iio:deviceX/events/in_tempY_thresh_falling_en
874 What: /sys/.../iio:deviceX/events/in 818 What: /sys/.../iio:deviceX/events/in_capacitanceY_thresh_rising_en
875 What: /sys/.../iio:deviceX/events/in 819 What: /sys/.../iio:deviceX/events/in_capacitanceY_thresh_falling_en
876 KernelVersion: 2.6.37 820 KernelVersion: 2.6.37
877 Contact: linux-iio@vger.kernel.org 821 Contact: linux-iio@vger.kernel.org
878 Description: 822 Description:
879 Event generated when channel p 823 Event generated when channel passes a threshold in the specified
880 (_rising|_falling) direction. 824 (_rising|_falling) direction. If the direction is not specified,
881 then either the device will re 825 then either the device will report an event which ever direction
882 a single threshold value is pa 826 a single threshold value is passed in (e.g.
883 <type>[Y][_name]_<raw|input>_t 827 <type>[Y][_name]_<raw|input>_thresh_value) or
884 <type>[Y][_name]_<raw|input>_t 828 <type>[Y][_name]_<raw|input>_thresh_rising_value and
885 <type>[Y][_name]_<raw|input>_t 829 <type>[Y][_name]_<raw|input>_thresh_falling_value may take
886 different values, but the devi 830 different values, but the device can only enable both thresholds
887 or neither. 831 or neither.
888 832
889 Note the driver will assume th 833 Note the driver will assume the last p events requested are
890 to be enabled where p is how m 834 to be enabled where p is how many it supports (which may vary
891 depending on the exact set req 835 depending on the exact set requested. So if you want to be
892 sure you have set what you thi 836 sure you have set what you think you have, check the contents of
893 these attributes after everyth 837 these attributes after everything is configured. Drivers may
894 have to buffer any parameters 838 have to buffer any parameters so that they are consistent when
895 a given event type is enabled 839 a given event type is enabled at a future point (and not those for
896 whatever event was previously 840 whatever event was previously enabled).
897 841
898 What: /sys/.../iio:deviceX/events/in 842 What: /sys/.../iio:deviceX/events/in_accel_x_roc_rising_en
899 What: /sys/.../iio:deviceX/events/in 843 What: /sys/.../iio:deviceX/events/in_accel_x_roc_falling_en
900 What: /sys/.../iio:deviceX/events/in 844 What: /sys/.../iio:deviceX/events/in_accel_y_roc_rising_en
901 What: /sys/.../iio:deviceX/events/in 845 What: /sys/.../iio:deviceX/events/in_accel_y_roc_falling_en
902 What: /sys/.../iio:deviceX/events/in 846 What: /sys/.../iio:deviceX/events/in_accel_z_roc_rising_en
903 What: /sys/.../iio:deviceX/events/in 847 What: /sys/.../iio:deviceX/events/in_accel_z_roc_falling_en
904 What: /sys/.../iio:deviceX/events/in 848 What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_rising_en
905 What: /sys/.../iio:deviceX/events/in 849 What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_falling_en
906 What: /sys/.../iio:deviceX/events/in 850 What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_rising_en
907 What: /sys/.../iio:deviceX/events/in 851 What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_falling_en
908 What: /sys/.../iio:deviceX/events/in 852 What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_rising_en
909 What: /sys/.../iio:deviceX/events/in 853 What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_falling_en
910 What: /sys/.../iio:deviceX/events/in 854 What: /sys/.../iio:deviceX/events/in_magn_x_roc_rising_en
911 What: /sys/.../iio:deviceX/events/in 855 What: /sys/.../iio:deviceX/events/in_magn_x_roc_falling_en
912 What: /sys/.../iio:deviceX/events/in 856 What: /sys/.../iio:deviceX/events/in_magn_y_roc_rising_en
913 What: /sys/.../iio:deviceX/events/in 857 What: /sys/.../iio:deviceX/events/in_magn_y_roc_falling_en
914 What: /sys/.../iio:deviceX/events/in 858 What: /sys/.../iio:deviceX/events/in_magn_z_roc_rising_en
915 What: /sys/.../iio:deviceX/events/in 859 What: /sys/.../iio:deviceX/events/in_magn_z_roc_falling_en
916 What: /sys/.../iio:deviceX/events/in 860 What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_roc_rising_en
917 What: /sys/.../iio:deviceX/events/in 861 What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_roc_falling_en
918 What: /sys/.../iio:deviceX/events/in 862 What: /sys/.../iio:deviceX/events/in_rot_from_north_true_roc_rising_en
919 What: /sys/.../iio:deviceX/events/in 863 What: /sys/.../iio:deviceX/events/in_rot_from_north_true_roc_falling_en
920 What: /sys/.../iio:deviceX/events/in 864 What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_roc_rising_en
921 What: /sys/.../iio:deviceX/events/in 865 What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_roc_falling_en
922 What: /sys/.../iio:deviceX/events/in 866 What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_roc_rising_en
923 What: /sys/.../iio:deviceX/events/in 867 What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_roc_falling_en
924 What: /sys/.../iio:deviceX/events/in 868 What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_rising_en
925 What: /sys/.../iio:deviceX/events/in 869 What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_falling_en
926 What: /sys/.../iio:deviceX/events/in 870 What: /sys/.../iio:deviceX/events/in_voltageY_roc_rising_en
927 What: /sys/.../iio:deviceX/events/in 871 What: /sys/.../iio:deviceX/events/in_voltageY_roc_falling_en
928 What: /sys/.../iio:deviceX/events/in 872 What: /sys/.../iio:deviceX/events/in_tempY_roc_rising_en
929 What: /sys/.../iio:deviceX/events/in 873 What: /sys/.../iio:deviceX/events/in_tempY_roc_falling_en
930 KernelVersion: 2.6.37 874 KernelVersion: 2.6.37
931 Contact: linux-iio@vger.kernel.org 875 Contact: linux-iio@vger.kernel.org
932 Description: 876 Description:
933 Event generated when channel p 877 Event generated when channel passes a threshold on the rate of
934 change (1st differential) in t 878 change (1st differential) in the specified (_rising|_falling)
935 direction. If the direction is 879 direction. If the direction is not specified, then either the
936 device will report an event wh 880 device will report an event which ever direction a single
937 threshold value is passed in ( 881 threshold value is passed in (e.g.
938 <type>[Y][_name]_<raw|input>_r 882 <type>[Y][_name]_<raw|input>_roc_value) or
939 <type>[Y][_name]_<raw|input>_r 883 <type>[Y][_name]_<raw|input>_roc_rising_value and
940 <type>[Y][_name]_<raw|input>_r 884 <type>[Y][_name]_<raw|input>_roc_falling_value may take
941 different values, but the devi 885 different values, but the device can only enable both rate of
942 change thresholds or neither. 886 change thresholds or neither.
943 887
944 Note the driver will assume th 888 Note the driver will assume the last p events requested are
945 to be enabled where p is howev 889 to be enabled where p is however many it supports (which may
946 vary depending on the exact se 890 vary depending on the exact set requested. So if you want to be
947 sure you have set what you thi 891 sure you have set what you think you have, check the contents of
948 these attributes after everyth 892 these attributes after everything is configured. Drivers may
949 have to buffer any parameters 893 have to buffer any parameters so that they are consistent when
950 a given event type is enabled 894 a given event type is enabled a future point (and not those for
951 whatever event was previously 895 whatever event was previously enabled).
952 896
953 What: /sys/.../events/in_capacitance 897 What: /sys/.../events/in_capacitanceY_adaptive_thresh_rising_en
954 What: /sys/.../events/in_capacitance 898 What: /sys/.../events/in_capacitanceY_adaptive_thresh_falling_en
955 KernelVersion: 5.13 899 KernelVersion: 5.13
956 Contact: linux-iio@vger.kernel.org 900 Contact: linux-iio@vger.kernel.org
957 Description: 901 Description:
958 Adaptive thresholds are simila 902 Adaptive thresholds are similar to normal fixed thresholds
959 but the value is expressed as 903 but the value is expressed as an offset from a value which
960 provides a low frequency appro 904 provides a low frequency approximation of the channel itself.
961 Thus these detect if a rapid c 905 Thus these detect if a rapid change occurs in the specified
962 direction which crosses tracki 906 direction which crosses tracking value + offset.
963 Tracking value calculation is 907 Tracking value calculation is devices specific.
964 908
965 What: /sys/.../in_capacitanceY_adapt 909 What: /sys/.../in_capacitanceY_adaptive_thresh_rising_timeout
966 What: /sys/.../in_capacitanceY_adapt 910 What: /sys/.../in_capacitanceY_adaptive_thresh_falling_timeout
967 KernelVersion: 5.11 911 KernelVersion: 5.11
968 Contact: linux-iio@vger.kernel.org 912 Contact: linux-iio@vger.kernel.org
969 Description: 913 Description:
970 When adaptive thresholds are u 914 When adaptive thresholds are used, the tracking signal
971 may adjust too slowly to step 915 may adjust too slowly to step changes in the raw signal.
972 Thus these specify the time in 916 Thus these specify the time in seconds for which the
973 difference between the slow tr 917 difference between the slow tracking signal and the raw
974 signal is allowed to remain ou 918 signal is allowed to remain out-of-range before a reset
975 event occurs in which the trac 919 event occurs in which the tracking signal is made equal
976 to the raw signal, allowing sl 920 to the raw signal, allowing slow tracking to resume and the
977 adaptive threshold event detec 921 adaptive threshold event detection to function as expected.
978 922
979 What: /sys/.../events/in_accel_thres 923 What: /sys/.../events/in_accel_thresh_rising_value
980 What: /sys/.../events/in_accel_thres 924 What: /sys/.../events/in_accel_thresh_falling_value
981 What: /sys/.../events/in_accel_x_raw 925 What: /sys/.../events/in_accel_x_raw_thresh_rising_value
982 What: /sys/.../events/in_accel_x_raw 926 What: /sys/.../events/in_accel_x_raw_thresh_falling_value
983 What: /sys/.../events/in_accel_y_raw 927 What: /sys/.../events/in_accel_y_raw_thresh_rising_value
984 What: /sys/.../events/in_accel_y_raw 928 What: /sys/.../events/in_accel_y_raw_thresh_falling_value
985 What: /sys/.../events/in_accel_z_raw 929 What: /sys/.../events/in_accel_z_raw_thresh_rising_value
986 What: /sys/.../events/in_accel_z_raw 930 What: /sys/.../events/in_accel_z_raw_thresh_falling_value
987 What: /sys/.../events/in_anglvel_x_r 931 What: /sys/.../events/in_anglvel_x_raw_thresh_rising_value
988 What: /sys/.../events/in_anglvel_x_r 932 What: /sys/.../events/in_anglvel_x_raw_thresh_falling_value
989 What: /sys/.../events/in_anglvel_y_r 933 What: /sys/.../events/in_anglvel_y_raw_thresh_rising_value
990 What: /sys/.../events/in_anglvel_y_r 934 What: /sys/.../events/in_anglvel_y_raw_thresh_falling_value
991 What: /sys/.../events/in_anglvel_z_r 935 What: /sys/.../events/in_anglvel_z_raw_thresh_rising_value
992 What: /sys/.../events/in_anglvel_z_r 936 What: /sys/.../events/in_anglvel_z_raw_thresh_falling_value
993 What: /sys/.../events/in_magn_x_raw_ 937 What: /sys/.../events/in_magn_x_raw_thresh_rising_value
994 What: /sys/.../events/in_magn_x_raw_ 938 What: /sys/.../events/in_magn_x_raw_thresh_falling_value
995 What: /sys/.../events/in_magn_y_raw_ 939 What: /sys/.../events/in_magn_y_raw_thresh_rising_value
996 What: /sys/.../events/in_magn_y_raw_ 940 What: /sys/.../events/in_magn_y_raw_thresh_falling_value
997 What: /sys/.../events/in_magn_z_raw_ 941 What: /sys/.../events/in_magn_z_raw_thresh_rising_value
998 What: /sys/.../events/in_magn_z_raw_ 942 What: /sys/.../events/in_magn_z_raw_thresh_falling_value
999 What: /sys/.../events/in_rot_from_no 943 What: /sys/.../events/in_rot_from_north_magnetic_raw_thresh_rising_value
1000 What: /sys/.../events/in_rot_from_n 944 What: /sys/.../events/in_rot_from_north_magnetic_raw_thresh_falling_value
1001 What: /sys/.../events/in_rot_from_n 945 What: /sys/.../events/in_rot_from_north_true_raw_thresh_rising_value
1002 What: /sys/.../events/in_rot_from_n 946 What: /sys/.../events/in_rot_from_north_true_raw_thresh_falling_value
1003 What: /sys/.../events/in_rot_from_n 947 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_thresh_rising_value
1004 What: /sys/.../events/in_rot_from_n 948 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_thresh_falling_value
1005 What: /sys/.../events/in_rot_from_n 949 What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_thresh_rising_value
1006 What: /sys/.../events/in_rot_from_n 950 What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_thresh_falling_value
1007 What: /sys/.../events/in_voltageY_s 951 What: /sys/.../events/in_voltageY_supply_raw_thresh_rising_value
1008 What: /sys/.../events/in_voltageY_s 952 What: /sys/.../events/in_voltageY_supply_raw_thresh_falling_value
1009 What: /sys/.../events/in_voltageY_r 953 What: /sys/.../events/in_voltageY_raw_thresh_rising_value
1010 What: /sys/.../events/in_voltageY_r 954 What: /sys/.../events/in_voltageY_raw_thresh_falling_value
1011 What: /sys/.../events/in_tempY_raw_ 955 What: /sys/.../events/in_tempY_raw_thresh_rising_value
1012 What: /sys/.../events/in_tempY_raw_ 956 What: /sys/.../events/in_tempY_raw_thresh_falling_value
1013 What: /sys/.../events/in_illuminanc 957 What: /sys/.../events/in_illuminance0_thresh_falling_value
1014 What: /sys/.../events/in_illuminanc 958 What: /sys/.../events/in_illuminance0_thresh_rising_value
1015 What: /sys/.../events/in_proximity0 959 What: /sys/.../events/in_proximity0_thresh_falling_value
1016 What: /sys/.../events/in_proximity0 960 What: /sys/.../events/in_proximity0_thresh_rising_value
1017 What: /sys/.../events/in_illuminanc 961 What: /sys/.../events/in_illuminance_thresh_rising_value
1018 What: /sys/.../events/in_illuminanc 962 What: /sys/.../events/in_illuminance_thresh_falling_value
1019 What: /sys/.../events/in_capacitanc 963 What: /sys/.../events/in_capacitanceY_thresh_rising_value
1020 What: /sys/.../events/in_capacitanc 964 What: /sys/.../events/in_capacitanceY_thresh_falling_value
1021 What: /sys/.../events/in_capacitanc 965 What: /sys/.../events/in_capacitanceY_thresh_adaptive_rising_value
1022 What: /sys/.../events/in_capacitanc 966 What: /sys/.../events/in_capacitanceY_thresh_falling_rising_value
1023 KernelVersion: 2.6.37 967 KernelVersion: 2.6.37
1024 Contact: linux-iio@vger.kernel.org 968 Contact: linux-iio@vger.kernel.org
1025 Description: 969 Description:
1026 Specifies the value of thresh 970 Specifies the value of threshold that the device is comparing
1027 against for the events enable 971 against for the events enabled by
1028 <type>Y[_name]_thresh[_rising 972 <type>Y[_name]_thresh[_rising|falling]_en.
1029 973
1030 If separate attributes exist 974 If separate attributes exist for the two directions, but
1031 direction is not specified fo 975 direction is not specified for this attribute, then a single
1032 threshold value applies to bo 976 threshold value applies to both directions.
1033 977
1034 The raw or input element of t 978 The raw or input element of the name indicates whether the
1035 value is in raw device units 979 value is in raw device units or in processed units (as _raw
1036 and _input do on sysfs direct 980 and _input do on sysfs direct channel read attributes).
1037 981
1038 What: /sys/.../events/in_accel_scal 982 What: /sys/.../events/in_accel_scale
1039 What: /sys/.../events/in_accel_peak 983 What: /sys/.../events/in_accel_peak_scale
1040 What: /sys/.../events/in_anglvel_sc 984 What: /sys/.../events/in_anglvel_scale
1041 What: /sys/.../events/in_magn_scale 985 What: /sys/.../events/in_magn_scale
1042 What: /sys/.../events/in_rot_from_n 986 What: /sys/.../events/in_rot_from_north_magnetic_scale
1043 What: /sys/.../events/in_rot_from_n 987 What: /sys/.../events/in_rot_from_north_true_scale
1044 What: /sys/.../events/in_voltage_sc 988 What: /sys/.../events/in_voltage_scale
1045 What: /sys/.../events/in_voltage_su 989 What: /sys/.../events/in_voltage_supply_scale
1046 What: /sys/.../events/in_temp_scale 990 What: /sys/.../events/in_temp_scale
1047 What: /sys/.../events/in_illuminanc 991 What: /sys/.../events/in_illuminance_scale
1048 What: /sys/.../events/in_proximity_ 992 What: /sys/.../events/in_proximity_scale
1049 KernelVersion: 3.21 993 KernelVersion: 3.21
1050 Contact: linux-iio@vger.kernel.org 994 Contact: linux-iio@vger.kernel.org
1051 Description: 995 Description:
1052 Specifies the conversion fact 996 Specifies the conversion factor from the standard units
1053 to device specific units used 997 to device specific units used to set the event trigger
1054 threshold. 998 threshold.
1055 999
1056 What: /sys/.../events/in_accel_x_th 1000 What: /sys/.../events/in_accel_x_thresh_rising_hysteresis
1057 What: /sys/.../events/in_accel_x_th 1001 What: /sys/.../events/in_accel_x_thresh_falling_hysteresis
1058 What: /sys/.../events/in_accel_x_th 1002 What: /sys/.../events/in_accel_x_thresh_either_hysteresis
1059 What: /sys/.../events/in_accel_y_th 1003 What: /sys/.../events/in_accel_y_thresh_rising_hysteresis
1060 What: /sys/.../events/in_accel_y_th 1004 What: /sys/.../events/in_accel_y_thresh_falling_hysteresis
1061 What: /sys/.../events/in_accel_y_th 1005 What: /sys/.../events/in_accel_y_thresh_either_hysteresis
1062 What: /sys/.../events/in_accel_z_th 1006 What: /sys/.../events/in_accel_z_thresh_rising_hysteresis
1063 What: /sys/.../events/in_accel_z_th 1007 What: /sys/.../events/in_accel_z_thresh_falling_hysteresis
1064 What: /sys/.../events/in_accel_z_th 1008 What: /sys/.../events/in_accel_z_thresh_either_hysteresis
1065 What: /sys/.../events/in_anglvel_x_ 1009 What: /sys/.../events/in_anglvel_x_thresh_rising_hysteresis
1066 What: /sys/.../events/in_anglvel_x_ 1010 What: /sys/.../events/in_anglvel_x_thresh_falling_hysteresis
1067 What: /sys/.../events/in_anglvel_x_ 1011 What: /sys/.../events/in_anglvel_x_thresh_either_hysteresis
1068 What: /sys/.../events/in_anglvel_y_ 1012 What: /sys/.../events/in_anglvel_y_thresh_rising_hysteresis
1069 What: /sys/.../events/in_anglvel_y_ 1013 What: /sys/.../events/in_anglvel_y_thresh_falling_hysteresis
1070 What: /sys/.../events/in_anglvel_y_ 1014 What: /sys/.../events/in_anglvel_y_thresh_either_hysteresis
1071 What: /sys/.../events/in_anglvel_z_ 1015 What: /sys/.../events/in_anglvel_z_thresh_rising_hysteresis
1072 What: /sys/.../events/in_anglvel_z_ 1016 What: /sys/.../events/in_anglvel_z_thresh_falling_hysteresis
1073 What: /sys/.../events/in_anglvel_z_ 1017 What: /sys/.../events/in_anglvel_z_thresh_either_hysteresis
1074 What: /sys/.../events/in_magn_x_thr 1018 What: /sys/.../events/in_magn_x_thresh_rising_hysteresis
1075 What: /sys/.../events/in_magn_x_thr 1019 What: /sys/.../events/in_magn_x_thresh_falling_hysteresis
1076 What: /sys/.../events/in_magn_x_thr 1020 What: /sys/.../events/in_magn_x_thresh_either_hysteresis
1077 What: /sys/.../events/in_magn_y_thr 1021 What: /sys/.../events/in_magn_y_thresh_rising_hysteresis
1078 What: /sys/.../events/in_magn_y_thr 1022 What: /sys/.../events/in_magn_y_thresh_falling_hysteresis
1079 What: /sys/.../events/in_magn_y_thr 1023 What: /sys/.../events/in_magn_y_thresh_either_hysteresis
1080 What: /sys/.../events/in_magn_z_thr 1024 What: /sys/.../events/in_magn_z_thresh_rising_hysteresis
1081 What: /sys/.../events/in_magn_z_thr 1025 What: /sys/.../events/in_magn_z_thresh_falling_hysteresis
1082 What: /sys/.../events/in_magn_z_thr 1026 What: /sys/.../events/in_magn_z_thresh_either_hysteresis
1083 What: /sys/.../events/in_rot_from_n 1027 What: /sys/.../events/in_rot_from_north_magnetic_thresh_rising_hysteresis
1084 What: /sys/.../events/in_rot_from_n 1028 What: /sys/.../events/in_rot_from_north_magnetic_thresh_falling_hysteresis
1085 What: /sys/.../events/in_rot_from_n 1029 What: /sys/.../events/in_rot_from_north_magnetic_thresh_either_hysteresis
1086 What: /sys/.../events/in_rot_from_n 1030 What: /sys/.../events/in_rot_from_north_true_thresh_rising_hysteresis
1087 What: /sys/.../events/in_rot_from_n 1031 What: /sys/.../events/in_rot_from_north_true_thresh_falling_hysteresis
1088 What: /sys/.../events/in_rot_from_n 1032 What: /sys/.../events/in_rot_from_north_true_thresh_either_hysteresis
1089 What: /sys/.../events/in_rot_from_n 1033 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_rising_hysteresis
1090 What: /sys/.../events/in_rot_from_n 1034 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_falling_hysteresis
1091 What: /sys/.../events/in_rot_from_n 1035 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_either_hysteresis
1092 What: /sys/.../events/in_rot_from_n 1036 What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_rising_hysteresis
1093 What: /sys/.../events/in_rot_from_n 1037 What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_falling_hysteresis
1094 What: /sys/.../events/in_rot_from_n 1038 What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_either_hysteresis
1095 What: /sys/.../events/in_voltageY_t 1039 What: /sys/.../events/in_voltageY_thresh_rising_hysteresis
1096 What: /sys/.../events/in_voltageY_t 1040 What: /sys/.../events/in_voltageY_thresh_falling_hysteresis
1097 What: /sys/.../events/in_voltageY_t 1041 What: /sys/.../events/in_voltageY_thresh_either_hysteresis
1098 What: /sys/.../events/in_tempY_thre 1042 What: /sys/.../events/in_tempY_thresh_rising_hysteresis
1099 What: /sys/.../events/in_tempY_thre 1043 What: /sys/.../events/in_tempY_thresh_falling_hysteresis
1100 What: /sys/.../events/in_tempY_thre 1044 What: /sys/.../events/in_tempY_thresh_either_hysteresis
1101 What: /sys/.../events/in_illuminanc 1045 What: /sys/.../events/in_illuminance0_thresh_falling_hysteresis
1102 What: /sys/.../events/in_illuminanc 1046 What: /sys/.../events/in_illuminance0_thresh_rising_hysteresis
1103 What: /sys/.../events/in_illuminanc 1047 What: /sys/.../events/in_illuminance0_thresh_either_hysteresis
1104 What: /sys/.../events/in_proximity0 1048 What: /sys/.../events/in_proximity0_thresh_falling_hysteresis
1105 What: /sys/.../events/in_proximity0 1049 What: /sys/.../events/in_proximity0_thresh_rising_hysteresis
1106 What: /sys/.../events/in_proximity0 1050 What: /sys/.../events/in_proximity0_thresh_either_hysteresis
1107 KernelVersion: 3.13 1051 KernelVersion: 3.13
1108 Contact: linux-iio@vger.kernel.org 1052 Contact: linux-iio@vger.kernel.org
1109 Description: 1053 Description:
1110 Specifies the hysteresis of t 1054 Specifies the hysteresis of threshold that the device is comparing
1111 against for the events enable 1055 against for the events enabled by
1112 <type>Y[_name]_thresh[_(risin 1056 <type>Y[_name]_thresh[_(rising|falling)]_hysteresis.
1113 If separate attributes exist 1057 If separate attributes exist for the two directions, but
1114 direction is not specified fo 1058 direction is not specified for this attribute, then a single
1115 hysteresis value applies to b 1059 hysteresis value applies to both directions.
1116 1060
1117 For falling events the hyster 1061 For falling events the hysteresis is added to the _value attribute for
1118 this event to get the upper t 1062 this event to get the upper threshold for when the event goes back to
1119 normal, for rising events the 1063 normal, for rising events the hysteresis is subtracted from the _value
1120 attribute. E.g. if in_voltage 1064 attribute. E.g. if in_voltage0_raw_thresh_rising_value is set to 1200
1121 and in_voltage0_raw_thresh_ri 1065 and in_voltage0_raw_thresh_rising_hysteresis is set to 50. The event
1122 will get activated once in_vo 1066 will get activated once in_voltage0_raw goes above 1200 and will become
1123 deactivated again once the va 1067 deactivated again once the value falls below 1150.
1124 1068
1125 What: /sys/.../events/in_accel_x_ra 1069 What: /sys/.../events/in_accel_x_raw_roc_rising_value
1126 What: /sys/.../events/in_accel_x_ra 1070 What: /sys/.../events/in_accel_x_raw_roc_falling_value
1127 What: /sys/.../events/in_accel_y_ra 1071 What: /sys/.../events/in_accel_y_raw_roc_rising_value
1128 What: /sys/.../events/in_accel_y_ra 1072 What: /sys/.../events/in_accel_y_raw_roc_falling_value
1129 What: /sys/.../events/in_accel_z_ra 1073 What: /sys/.../events/in_accel_z_raw_roc_rising_value
1130 What: /sys/.../events/in_accel_z_ra 1074 What: /sys/.../events/in_accel_z_raw_roc_falling_value
1131 What: /sys/.../events/in_anglvel_x_ 1075 What: /sys/.../events/in_anglvel_x_raw_roc_rising_value
1132 What: /sys/.../events/in_anglvel_x_ 1076 What: /sys/.../events/in_anglvel_x_raw_roc_falling_value
1133 What: /sys/.../events/in_anglvel_y_ 1077 What: /sys/.../events/in_anglvel_y_raw_roc_rising_value
1134 What: /sys/.../events/in_anglvel_y_ 1078 What: /sys/.../events/in_anglvel_y_raw_roc_falling_value
1135 What: /sys/.../events/in_anglvel_z_ 1079 What: /sys/.../events/in_anglvel_z_raw_roc_rising_value
1136 What: /sys/.../events/in_anglvel_z_ 1080 What: /sys/.../events/in_anglvel_z_raw_roc_falling_value
1137 What: /sys/.../events/in_magn_x_raw 1081 What: /sys/.../events/in_magn_x_raw_roc_rising_value
1138 What: /sys/.../events/in_magn_x_raw 1082 What: /sys/.../events/in_magn_x_raw_roc_falling_value
1139 What: /sys/.../events/in_magn_y_raw 1083 What: /sys/.../events/in_magn_y_raw_roc_rising_value
1140 What: /sys/.../events/in_magn_y_raw 1084 What: /sys/.../events/in_magn_y_raw_roc_falling_value
1141 What: /sys/.../events/in_magn_z_raw 1085 What: /sys/.../events/in_magn_z_raw_roc_rising_value
1142 What: /sys/.../events/in_magn_z_raw 1086 What: /sys/.../events/in_magn_z_raw_roc_falling_value
1143 What: /sys/.../events/in_rot_from_n 1087 What: /sys/.../events/in_rot_from_north_magnetic_raw_roc_rising_value
1144 What: /sys/.../events/in_rot_from_n 1088 What: /sys/.../events/in_rot_from_north_magnetic_raw_roc_falling_value
1145 What: /sys/.../events/in_rot_from_n 1089 What: /sys/.../events/in_rot_from_north_true_raw_roc_rising_value
1146 What: /sys/.../events/in_rot_from_n 1090 What: /sys/.../events/in_rot_from_north_true_raw_roc_falling_value
1147 What: /sys/.../events/in_rot_from_n 1091 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_roc_rising_value
1148 What: /sys/.../events/in_rot_from_n 1092 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_roc_falling_value
1149 What: /sys/.../events/in_rot_from_n 1093 What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_roc_rising_value
1150 What: /sys/.../events/in_rot_from_n 1094 What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_roc_falling_value
1151 What: /sys/.../events/in_voltageY_s 1095 What: /sys/.../events/in_voltageY_supply_raw_roc_rising_value
1152 What: /sys/.../events/in_voltageY_s 1096 What: /sys/.../events/in_voltageY_supply_raw_roc_falling_value
1153 What: /sys/.../events/in_voltageY_r 1097 What: /sys/.../events/in_voltageY_raw_roc_rising_value
1154 What: /sys/.../events/in_voltageY_r 1098 What: /sys/.../events/in_voltageY_raw_roc_falling_value
1155 What: /sys/.../events/in_tempY_raw_ 1099 What: /sys/.../events/in_tempY_raw_roc_rising_value
1156 What: /sys/.../events/in_tempY_raw_ 1100 What: /sys/.../events/in_tempY_raw_roc_falling_value
1157 KernelVersion: 2.6.37 1101 KernelVersion: 2.6.37
1158 Contact: linux-iio@vger.kernel.org 1102 Contact: linux-iio@vger.kernel.org
1159 Description: 1103 Description:
1160 Specifies the value of rate o 1104 Specifies the value of rate of change threshold that the
1161 device is comparing against f 1105 device is comparing against for the events enabled by
1162 <type>[Y][_name]_roc[_rising| 1106 <type>[Y][_name]_roc[_rising|falling]_en.
1163 1107
1164 If separate attributes exist 1108 If separate attributes exist for the two directions,
1165 but direction is not specifie 1109 but direction is not specified for this attribute,
1166 then a single threshold value 1110 then a single threshold value applies to both directions.
1167 The raw or input element of t 1111 The raw or input element of the name indicates whether the
1168 value is in raw device units 1112 value is in raw device units or in processed units (as _raw
1169 and _input do on sysfs direct 1113 and _input do on sysfs direct channel read attributes).
1170 1114
1171 What: /sys/.../events/in_accel_x_th 1115 What: /sys/.../events/in_accel_x_thresh_rising_period
1172 What: /sys/.../events/in_accel_x_th 1116 What: /sys/.../events/in_accel_x_thresh_falling_period
1173 What: /sys/.../events/in_accel_x_ro 1117 What: /sys/.../events/in_accel_x_roc_rising_period
1174 What: /sys/.../events/in_accel_x_ro 1118 What: /sys/.../events/in_accel_x_roc_falling_period
1175 What: /sys/.../events/in_accel_y_th 1119 What: /sys/.../events/in_accel_y_thresh_rising_period
1176 What: /sys/.../events/in_accel_y_th 1120 What: /sys/.../events/in_accel_y_thresh_falling_period
1177 What: /sys/.../events/in_accel_y_ro 1121 What: /sys/.../events/in_accel_y_roc_rising_period
1178 What: /sys/.../events/in_accel_y_ro 1122 What: /sys/.../events/in_accel_y_roc_falling_period
1179 What: /sys/.../events/in_accel_z_th 1123 What: /sys/.../events/in_accel_z_thresh_rising_period
1180 What: /sys/.../events/in_accel_z_th 1124 What: /sys/.../events/in_accel_z_thresh_falling_period
1181 What: /sys/.../events/in_accel_z_ro 1125 What: /sys/.../events/in_accel_z_roc_rising_period
1182 What: /sys/.../events/in_accel_z_ro 1126 What: /sys/.../events/in_accel_z_roc_falling_period
1183 What: /sys/.../events/in_anglvel_x_ 1127 What: /sys/.../events/in_anglvel_x_thresh_rising_period
1184 What: /sys/.../events/in_anglvel_x_ 1128 What: /sys/.../events/in_anglvel_x_thresh_falling_period
1185 What: /sys/.../events/in_anglvel_x_ 1129 What: /sys/.../events/in_anglvel_x_roc_rising_period
1186 What: /sys/.../events/in_anglvel_x_ 1130 What: /sys/.../events/in_anglvel_x_roc_falling_period
1187 What: /sys/.../events/in_anglvel_y_ 1131 What: /sys/.../events/in_anglvel_y_thresh_rising_period
1188 What: /sys/.../events/in_anglvel_y_ 1132 What: /sys/.../events/in_anglvel_y_thresh_falling_period
1189 What: /sys/.../events/in_anglvel_y_ 1133 What: /sys/.../events/in_anglvel_y_roc_rising_period
1190 What: /sys/.../events/in_anglvel_y_ 1134 What: /sys/.../events/in_anglvel_y_roc_falling_period
1191 What: /sys/.../events/in_anglvel_z_ 1135 What: /sys/.../events/in_anglvel_z_thresh_rising_period
1192 What: /sys/.../events/in_anglvel_z_ 1136 What: /sys/.../events/in_anglvel_z_thresh_falling_period
1193 What: /sys/.../events/in_anglvel_z_ 1137 What: /sys/.../events/in_anglvel_z_roc_rising_period
1194 What: /sys/.../events/in_anglvel_z_ 1138 What: /sys/.../events/in_anglvel_z_roc_falling_period
1195 What: /sys/.../events/in_magn_x_thr 1139 What: /sys/.../events/in_magn_x_thresh_rising_period
1196 What: /sys/.../events/in_magn_x_thr 1140 What: /sys/.../events/in_magn_x_thresh_falling_period
1197 What: /sys/.../events/in_magn_x_roc 1141 What: /sys/.../events/in_magn_x_roc_rising_period
1198 What: /sys/.../events/in_magn_x_roc 1142 What: /sys/.../events/in_magn_x_roc_falling_period
1199 What: /sys/.../events/in_magn_y_thr 1143 What: /sys/.../events/in_magn_y_thresh_rising_period
1200 What: /sys/.../events/in_magn_y_thr 1144 What: /sys/.../events/in_magn_y_thresh_falling_period
1201 What: /sys/.../events/in_magn_y_roc 1145 What: /sys/.../events/in_magn_y_roc_rising_period
1202 What: /sys/.../events/in_magn_y_roc 1146 What: /sys/.../events/in_magn_y_roc_falling_period
1203 What: /sys/.../events/in_magn_z_thr 1147 What: /sys/.../events/in_magn_z_thresh_rising_period
1204 What: /sys/.../events/in_magn_z_thr 1148 What: /sys/.../events/in_magn_z_thresh_falling_period
1205 What: /sys/.../events/in_magn_z_roc 1149 What: /sys/.../events/in_magn_z_roc_rising_period
1206 What: /sys/.../events/in_magn_z_roc 1150 What: /sys/.../events/in_magn_z_roc_falling_period
1207 What: /sys/.../events/in_rot_from_n 1151 What: /sys/.../events/in_rot_from_north_magnetic_thresh_rising_period
1208 What: /sys/.../events/in_rot_from_n 1152 What: /sys/.../events/in_rot_from_north_magnetic_thresh_falling_period
1209 What: /sys/.../events/in_rot_from_n 1153 What: /sys/.../events/in_rot_from_north_magnetic_roc_rising_period
1210 What: /sys/.../events/in_rot_from_n 1154 What: /sys/.../events/in_rot_from_north_magnetic_roc_falling_period
1211 What: /sys/.../events/in_rot_from_n 1155 What: /sys/.../events/in_rot_from_north_true_thresh_rising_period
1212 What: /sys/.../events/in_rot_from_n 1156 What: /sys/.../events/in_rot_from_north_true_thresh_falling_period
1213 What: /sys/.../events/in_rot_from_n 1157 What: /sys/.../events/in_rot_from_north_true_roc_rising_period
1214 What: /sys/.../events/in_rot_from_n 1158 What: /sys/.../events/in_rot_from_north_true_roc_falling_period
1215 What: /sys/.../events/in_rot_from_n 1159 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_rising_period
1216 What: /sys/.../events/in_rot_from_n 1160 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_falling_period
1217 What: /sys/.../events/in_rot_from_n 1161 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_roc_rising_period
1218 What: /sys/.../events/in_rot_from_n 1162 What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_roc_falling_period
1219 What: /sys/.../events/in_rot_from_n 1163 What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_rising_period
1220 What: /sys/.../events/in_rot_from_n 1164 What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_falling_period
1221 What: /sys/.../events/in_rot_from_n 1165 What: /sys/.../events/in_rot_from_north_true_tilt_comp_roc_rising_period
1222 What: /sys/.../events/in_rot_from_n 1166 What: /sys/.../events/in_rot_from_north_true_tilt_comp_roc_falling_period
1223 What: /sys/.../events/in_voltageY_s 1167 What: /sys/.../events/in_voltageY_supply_thresh_rising_period
1224 What: /sys/.../events/in_voltageY_s 1168 What: /sys/.../events/in_voltageY_supply_thresh_falling_period
1225 What: /sys/.../events/in_voltageY_s 1169 What: /sys/.../events/in_voltageY_supply_roc_rising_period
1226 What: /sys/.../events/in_voltageY_s 1170 What: /sys/.../events/in_voltageY_supply_roc_falling_period
1227 What: /sys/.../events/in_voltageY_t 1171 What: /sys/.../events/in_voltageY_thresh_rising_period
1228 What: /sys/.../events/in_voltageY_t 1172 What: /sys/.../events/in_voltageY_thresh_falling_period
1229 What: /sys/.../events/in_voltageY_r 1173 What: /sys/.../events/in_voltageY_roc_rising_period
1230 What: /sys/.../events/in_voltageY_r 1174 What: /sys/.../events/in_voltageY_roc_falling_period
1231 What: /sys/.../events/in_tempY_thre 1175 What: /sys/.../events/in_tempY_thresh_rising_period
1232 What: /sys/.../events/in_tempY_thre 1176 What: /sys/.../events/in_tempY_thresh_falling_period
1233 What: /sys/.../events/in_tempY_roc_ 1177 What: /sys/.../events/in_tempY_roc_rising_period
1234 What: /sys/.../events/in_tempY_roc_ 1178 What: /sys/.../events/in_tempY_roc_falling_period
1235 What: /sys/.../events/in_accel_x&y& 1179 What: /sys/.../events/in_accel_x&y&z_mag_falling_period
1236 What: /sys/.../events/in_intensity0 1180 What: /sys/.../events/in_intensity0_thresh_period
1237 What: /sys/.../events/in_proximity0 1181 What: /sys/.../events/in_proximity0_thresh_period
1238 What: /sys/.../events/in_activity_s 1182 What: /sys/.../events/in_activity_still_thresh_rising_period
1239 What: /sys/.../events/in_activity_s 1183 What: /sys/.../events/in_activity_still_thresh_falling_period
1240 What: /sys/.../events/in_activity_w 1184 What: /sys/.../events/in_activity_walking_thresh_rising_period
1241 What: /sys/.../events/in_activity_w 1185 What: /sys/.../events/in_activity_walking_thresh_falling_period
1242 What: /sys/.../events/in_activity_j 1186 What: /sys/.../events/in_activity_jogging_thresh_rising_period
1243 What: /sys/.../events/in_activity_j 1187 What: /sys/.../events/in_activity_jogging_thresh_falling_period
1244 What: /sys/.../events/in_activity_r 1188 What: /sys/.../events/in_activity_running_thresh_rising_period
1245 What: /sys/.../events/in_activity_r 1189 What: /sys/.../events/in_activity_running_thresh_falling_period
1246 What: /sys/.../events/in_illuminanc 1190 What: /sys/.../events/in_illuminance_thresh_either_period
1247 KernelVersion: 2.6.37 1191 KernelVersion: 2.6.37
1248 Contact: linux-iio@vger.kernel.org 1192 Contact: linux-iio@vger.kernel.org
1249 Description: 1193 Description:
1250 Period of time (in seconds) f 1194 Period of time (in seconds) for which the condition must be
1251 met before an event is genera 1195 met before an event is generated. If direction is not
1252 specified then this period ap 1196 specified then this period applies to both directions.
1253 1197
1254 What: /sys/.../events/in_accel_thre 1198 What: /sys/.../events/in_accel_thresh_rising_low_pass_filter_3db
1255 What: /sys/.../events/in_anglvel_th 1199 What: /sys/.../events/in_anglvel_thresh_rising_low_pass_filter_3db
1256 What: /sys/.../events/in_magn_thres 1200 What: /sys/.../events/in_magn_thresh_rising_low_pass_filter_3db
1257 KernelVersion: 4.2 1201 KernelVersion: 4.2
1258 Contact: linux-iio@vger.kernel.org 1202 Contact: linux-iio@vger.kernel.org
1259 Description: 1203 Description:
1260 If a low pass filter can be a 1204 If a low pass filter can be applied to the event generation
1261 this property gives its 3db f 1205 this property gives its 3db frequency in Hz.
1262 A value of zero disables the 1206 A value of zero disables the filter.
1263 1207
1264 What: /sys/.../events/in_accel_thre 1208 What: /sys/.../events/in_accel_thresh_rising_high_pass_filter_3db
1265 What: /sys/.../events/in_anglvel_th 1209 What: /sys/.../events/in_anglvel_thresh_rising_high_pass_filter_3db
1266 What: /sys/.../events/in_magn_thres 1210 What: /sys/.../events/in_magn_thresh_rising_high_pass_filter_3db
1267 KernelVersion: 4.2 1211 KernelVersion: 4.2
1268 Contact: linux-iio@vger.kernel.org 1212 Contact: linux-iio@vger.kernel.org
1269 Description: 1213 Description:
1270 If a high pass filter can be 1214 If a high pass filter can be applied to the event generation
1271 this property gives its 3db f 1215 this property gives its 3db frequency in Hz.
1272 A value of zero disables the 1216 A value of zero disables the filter.
1273 1217
1274 What: /sys/.../events/in_activity_s 1218 What: /sys/.../events/in_activity_still_thresh_rising_en
1275 What: /sys/.../events/in_activity_s 1219 What: /sys/.../events/in_activity_still_thresh_falling_en
1276 What: /sys/.../events/in_activity_w 1220 What: /sys/.../events/in_activity_walking_thresh_rising_en
1277 What: /sys/.../events/in_activity_w 1221 What: /sys/.../events/in_activity_walking_thresh_falling_en
1278 What: /sys/.../events/in_activity_j 1222 What: /sys/.../events/in_activity_jogging_thresh_rising_en
1279 What: /sys/.../events/in_activity_j 1223 What: /sys/.../events/in_activity_jogging_thresh_falling_en
1280 What: /sys/.../events/in_activity_r 1224 What: /sys/.../events/in_activity_running_thresh_rising_en
1281 What: /sys/.../events/in_activity_r 1225 What: /sys/.../events/in_activity_running_thresh_falling_en
1282 KernelVersion: 3.19 1226 KernelVersion: 3.19
1283 Contact: linux-iio@vger.kernel.org 1227 Contact: linux-iio@vger.kernel.org
1284 Description: 1228 Description:
1285 Enables or disables activity 1229 Enables or disables activity events. Depending on direction
1286 an event is generated when se 1230 an event is generated when sensor ENTERS or LEAVES a given state.
1287 1231
1288 What: /sys/.../events/in_activity_s 1232 What: /sys/.../events/in_activity_still_thresh_rising_value
1289 What: /sys/.../events/in_activity_s 1233 What: /sys/.../events/in_activity_still_thresh_falling_value
1290 What: /sys/.../events/in_activity_w 1234 What: /sys/.../events/in_activity_walking_thresh_rising_value
1291 What: /sys/.../events/in_activity_w 1235 What: /sys/.../events/in_activity_walking_thresh_falling_value
1292 What: /sys/.../events/in_activity_j 1236 What: /sys/.../events/in_activity_jogging_thresh_rising_value
1293 What: /sys/.../events/in_activity_j 1237 What: /sys/.../events/in_activity_jogging_thresh_falling_value
1294 What: /sys/.../events/in_activity_r 1238 What: /sys/.../events/in_activity_running_thresh_rising_value
1295 What: /sys/.../events/in_activity_r 1239 What: /sys/.../events/in_activity_running_thresh_falling_value
1296 KernelVersion: 3.19 1240 KernelVersion: 3.19
1297 Contact: linux-iio@vger.kernel.org 1241 Contact: linux-iio@vger.kernel.org
1298 Description: 1242 Description:
1299 Confidence value (in units as 1243 Confidence value (in units as percentage) to be used
1300 for deciding when an event sh 1244 for deciding when an event should be generated. E.g for
1301 running: If the confidence va 1245 running: If the confidence value reported by the sensor
1302 is greater than in_activity_r 1246 is greater than in_activity_running_thresh_rising_value
1303 then the sensor ENTERS runnin 1247 then the sensor ENTERS running state. Conversely, if the
1304 confidence value reported by 1248 confidence value reported by the sensor is lower than
1305 in_activity_running_thresh_fa 1249 in_activity_running_thresh_falling_value then the sensor
1306 is LEAVING running state. 1250 is LEAVING running state.
1307 1251
1308 What: /sys/.../iio:deviceX/events/i 1252 What: /sys/.../iio:deviceX/events/in_accel_mag_en
1309 What: /sys/.../iio:deviceX/events/i 1253 What: /sys/.../iio:deviceX/events/in_accel_mag_rising_en
1310 What: /sys/.../iio:deviceX/events/i 1254 What: /sys/.../iio:deviceX/events/in_accel_mag_falling_en
1311 What: /sys/.../iio:deviceX/events/i 1255 What: /sys/.../iio:deviceX/events/in_accel_x_mag_en
1312 What: /sys/.../iio:deviceX/events/i 1256 What: /sys/.../iio:deviceX/events/in_accel_x_mag_rising_en
1313 What: /sys/.../iio:deviceX/events/i 1257 What: /sys/.../iio:deviceX/events/in_accel_x_mag_falling_en
1314 What: /sys/.../iio:deviceX/events/i 1258 What: /sys/.../iio:deviceX/events/in_accel_y_mag_en
1315 What: /sys/.../iio:deviceX/events/i 1259 What: /sys/.../iio:deviceX/events/in_accel_y_mag_rising_en
1316 What: /sys/.../iio:deviceX/events/i 1260 What: /sys/.../iio:deviceX/events/in_accel_y_mag_falling_en
1317 What: /sys/.../iio:deviceX/events/i 1261 What: /sys/.../iio:deviceX/events/in_accel_z_mag_en
1318 What: /sys/.../iio:deviceX/events/i 1262 What: /sys/.../iio:deviceX/events/in_accel_z_mag_rising_en
1319 What: /sys/.../iio:deviceX/events/i 1263 What: /sys/.../iio:deviceX/events/in_accel_z_mag_falling_en
1320 What: /sys/.../iio:deviceX/events/i 1264 What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_rising_en
1321 What: /sys/.../iio:deviceX/events/i 1265 What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_falling_en
1322 KernelVersion: 2.6.37 1266 KernelVersion: 2.6.37
1323 Contact: linux-iio@vger.kernel.org 1267 Contact: linux-iio@vger.kernel.org
1324 Description: 1268 Description:
1325 Similar to in_accel_x_thresh[ 1269 Similar to in_accel_x_thresh[_rising|_falling]_en, but here the
1326 magnitude of the channel is c 1270 magnitude of the channel is compared to the threshold, not its
1327 signed value. 1271 signed value.
1328 1272
1329 What: /sys/.../events/in_accel_raw_ 1273 What: /sys/.../events/in_accel_raw_mag_value
1330 What: /sys/.../events/in_accel_x_ra 1274 What: /sys/.../events/in_accel_x_raw_mag_rising_value
1331 What: /sys/.../events/in_accel_y_ra 1275 What: /sys/.../events/in_accel_y_raw_mag_rising_value
1332 What: /sys/.../events/in_accel_z_ra 1276 What: /sys/.../events/in_accel_z_raw_mag_rising_value
1333 KernelVersion: 2.6.37 1277 KernelVersion: 2.6.37
1334 Contact: linux-iio@vger.kernel.org 1278 Contact: linux-iio@vger.kernel.org
1335 Description: 1279 Description:
1336 The value to which the magnit 1280 The value to which the magnitude of the channel is compared. If
1337 number or direction is not sp 1281 number or direction is not specified, applies to all channels of
1338 this type. 1282 this type.
1339 1283
1340 What: /sys/.../iio:deviceX/events/i 1284 What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_en
1341 What: /sys/.../iio:deviceX/events/i 1285 What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_rising_en
1342 What: /sys/.../iio:deviceX/events/i 1286 What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_falling_en
1343 What: /sys/.../iio:deviceX/events/i 1287 What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_en
1344 What: /sys/.../iio:deviceX/events/i 1288 What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_rising_en
1345 What: /sys/.../iio:deviceX/events/i 1289 What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_falling_en
1346 KernelVersion: 5.18 1290 KernelVersion: 5.18
1347 Contact: linux-iio@vger.kernel.org 1291 Contact: linux-iio@vger.kernel.org
1348 Description: 1292 Description:
1349 Similar to in_accel_mag[_y][_ 1293 Similar to in_accel_mag[_y][_rising|_falling]_en, but the event
1350 value is relative to a refere 1294 value is relative to a reference magnitude. The reference magnitude
1351 includes the graviational acc 1295 includes the graviational acceleration.
1352 1296
1353 What: /sys/.../iio:deviceX/events/i 1297 What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_value
1354 What: /sys/.../iio:deviceX/events/i 1298 What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_rising_value
1355 What: /sys/.../iio:deviceX/events/i 1299 What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_falling_value
1356 What: /sys/.../iio:deviceX/events/i 1300 What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_value
1357 What: /sys/.../iio:deviceX/events/i 1301 What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_rising_value
1358 What: /sys/.../iio:deviceX/events/i 1302 What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_falling_value
1359 KernelVersion: 5.18 1303 KernelVersion: 5.18
1360 Contact: linux-iio@vger.kernel.org 1304 Contact: linux-iio@vger.kernel.org
1361 Description: 1305 Description:
1362 The value to which the refere 1306 The value to which the reference magnitude of the channel is
1363 compared. If the axis is not 1307 compared. If the axis is not specified, it applies to all channels
1364 of this type. 1308 of this type.
1365 1309
1366 What: /sys/.../events/in_steps_chan 1310 What: /sys/.../events/in_steps_change_en
1367 KernelVersion: 4.0 1311 KernelVersion: 4.0
1368 Contact: linux-iio@vger.kernel.org 1312 Contact: linux-iio@vger.kernel.org
1369 Description: 1313 Description:
1370 Event generated when channel 1314 Event generated when channel passes a threshold on the absolute
1371 change in value. E.g. for ste 1315 change in value. E.g. for steps: a step change event is
1372 generated each time the user 1316 generated each time the user takes N steps, where N is set using
1373 in_steps_change_value. 1317 in_steps_change_value.
1374 1318
1375 What: /sys/.../events/in_steps_chan 1319 What: /sys/.../events/in_steps_change_value
1376 KernelVersion: 4.0 1320 KernelVersion: 4.0
1377 Contact: linux-iio@vger.kernel.org 1321 Contact: linux-iio@vger.kernel.org
1378 Description: 1322 Description:
1379 Specifies the value of change 1323 Specifies the value of change threshold that the
1380 device is comparing against f 1324 device is comparing against for the events enabled by
1381 <type>[Y][_name]_roc[_rising| 1325 <type>[Y][_name]_roc[_rising|falling|]_en. E.g. for steps:
1382 if set to 3, a step change ev 1326 if set to 3, a step change event will be generated every 3
1383 steps. 1327 steps.
1384 1328
1385 What: /sys/bus/iio/devices/iio:devi 1329 What: /sys/bus/iio/devices/iio:deviceX/trigger/current_trigger
1386 KernelVersion: 2.6.35 1330 KernelVersion: 2.6.35
1387 Contact: linux-iio@vger.kernel.org 1331 Contact: linux-iio@vger.kernel.org
1388 Description: 1332 Description:
1389 The name of the trigger sourc 1333 The name of the trigger source being used, as per string given
1390 in /sys/class/iio/triggerY/na 1334 in /sys/class/iio/triggerY/name.
1391 1335
1392 What: /sys/bus/iio/devices/iio:devi 1336 What: /sys/bus/iio/devices/iio:deviceX/bufferY/length
1393 KernelVersion: 5.11 1337 KernelVersion: 5.11
1394 Contact: linux-iio@vger.kernel.org 1338 Contact: linux-iio@vger.kernel.org
1395 Description: 1339 Description:
1396 Number of scans contained by 1340 Number of scans contained by the buffer.
1397 1341
1398 What: /sys/bus/iio/devices/iio:devi 1342 What: /sys/bus/iio/devices/iio:deviceX/bufferY/enable
1399 KernelVersion: 5.11 1343 KernelVersion: 5.11
1400 Contact: linux-iio@vger.kernel.org 1344 Contact: linux-iio@vger.kernel.org
1401 Description: 1345 Description:
1402 Actually start the buffer cap 1346 Actually start the buffer capture up. Will start trigger
1403 if first device and appropria 1347 if first device and appropriate.
1404 1348
1405 Note that it might be impossi 1349 Note that it might be impossible to configure other attributes,
1406 (e.g.: events, scale, samplin 1350 (e.g.: events, scale, sampling rate) if they impact the currently
1407 active buffer capture session 1351 active buffer capture session.
1408 1352
1409 What: /sys/bus/iio/devices/iio:devi 1353 What: /sys/bus/iio/devices/iio:deviceX/bufferY
1410 KernelVersion: 5.11 1354 KernelVersion: 5.11
1411 Contact: linux-iio@vger.kernel.org 1355 Contact: linux-iio@vger.kernel.org
1412 Description: 1356 Description:
1413 Directory containing interfac 1357 Directory containing interfaces for elements that will be
1414 captured for a single trigger 1358 captured for a single triggered sample set in the buffer.
1415 1359
1416 Since kernel 5.11 the scan_el 1360 Since kernel 5.11 the scan_elements attributes are merged into
1417 the bufferY directory, to be 1361 the bufferY directory, to be configurable per buffer.
1418 1362
1419 What: /sys/.../iio:deviceX/bufferY/ 1363 What: /sys/.../iio:deviceX/bufferY/in_accel_x_en
1420 What: /sys/.../iio:deviceX/bufferY/ 1364 What: /sys/.../iio:deviceX/bufferY/in_accel_y_en
1421 What: /sys/.../iio:deviceX/bufferY/ 1365 What: /sys/.../iio:deviceX/bufferY/in_accel_z_en
1422 What: /sys/.../iio:deviceX/bufferY/ 1366 What: /sys/.../iio:deviceX/bufferY/in_deltaangl_x_en
1423 What: /sys/.../iio:deviceX/bufferY/ 1367 What: /sys/.../iio:deviceX/bufferY/in_deltaangl_y_en
1424 What: /sys/.../iio:deviceX/bufferY/ 1368 What: /sys/.../iio:deviceX/bufferY/in_deltaangl_z_en
1425 What: /sys/.../iio:deviceX/bufferY/ 1369 What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_x_en
1426 What: /sys/.../iio:deviceX/bufferY/ 1370 What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_y_en
1427 What: /sys/.../iio:deviceX/bufferY/ 1371 What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_z_en
1428 What: /sys/.../iio:deviceX/bufferY/ 1372 What: /sys/.../iio:deviceX/bufferY/in_anglvel_x_en
1429 What: /sys/.../iio:deviceX/bufferY/ 1373 What: /sys/.../iio:deviceX/bufferY/in_anglvel_y_en
1430 What: /sys/.../iio:deviceX/bufferY/ 1374 What: /sys/.../iio:deviceX/bufferY/in_anglvel_z_en
1431 What: /sys/.../iio:deviceX/bufferY/ 1375 What: /sys/.../iio:deviceX/bufferY/in_magn_x_en
1432 What: /sys/.../iio:deviceX/bufferY/ 1376 What: /sys/.../iio:deviceX/bufferY/in_magn_y_en
1433 What: /sys/.../iio:deviceX/bufferY/ 1377 What: /sys/.../iio:deviceX/bufferY/in_magn_z_en
1434 What: /sys/.../iio:deviceX/bufferY/ 1378 What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_en
1435 What: /sys/.../iio:deviceX/bufferY/ 1379 What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_en
1436 What: /sys/.../iio:deviceX/bufferY/ 1380 What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_tilt_comp_en
1437 What: /sys/.../iio:deviceX/bufferY/ 1381 What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_tilt_comp_en
1438 What: /sys/.../iio:deviceX/bufferY/ 1382 What: /sys/.../iio:deviceX/bufferY/in_timestamp_en
1439 What: /sys/.../iio:deviceX/bufferY/ 1383 What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_en
1440 What: /sys/.../iio:deviceX/bufferY/ 1384 What: /sys/.../iio:deviceX/bufferY/in_voltageY_en
1441 What: /sys/.../iio:deviceX/bufferY/ 1385 What: /sys/.../iio:deviceX/bufferY/in_voltageY-voltageZ_en
1442 What: /sys/.../iio:deviceX/bufferY/ 1386 What: /sys/.../iio:deviceX/bufferY/in_voltageY_i_en
1443 What: /sys/.../iio:deviceX/bufferY/ 1387 What: /sys/.../iio:deviceX/bufferY/in_voltageY_q_en
1444 What: /sys/.../iio:deviceX/bufferY/ 1388 What: /sys/.../iio:deviceX/bufferY/in_voltage_i_en
1445 What: /sys/.../iio:deviceX/bufferY/ 1389 What: /sys/.../iio:deviceX/bufferY/in_voltage_q_en
1446 What: /sys/.../iio:deviceX/bufferY/ 1390 What: /sys/.../iio:deviceX/bufferY/in_incli_x_en
1447 What: /sys/.../iio:deviceX/bufferY/ 1391 What: /sys/.../iio:deviceX/bufferY/in_incli_y_en
1448 What: /sys/.../iio:deviceX/bufferY/ 1392 What: /sys/.../iio:deviceX/bufferY/in_pressureY_en
1449 What: /sys/.../iio:deviceX/bufferY/ 1393 What: /sys/.../iio:deviceX/bufferY/in_pressure_en
1450 What: /sys/.../iio:deviceX/bufferY/ 1394 What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_en
1451 What: /sys/.../iio:deviceX/bufferY/ 1395 What: /sys/.../iio:deviceX/bufferY/in_proximity_en
1452 KernelVersion: 5.11 1396 KernelVersion: 5.11
1453 Contact: linux-iio@vger.kernel.org 1397 Contact: linux-iio@vger.kernel.org
1454 Description: 1398 Description:
1455 Scan element control for trig 1399 Scan element control for triggered data capture.
1456 1400
1457 What: /sys/.../iio:deviceX/bufferY/ 1401 What: /sys/.../iio:deviceX/bufferY/in_accel_type
1458 What: /sys/.../iio:deviceX/bufferY/ 1402 What: /sys/.../iio:deviceX/bufferY/in_deltaangl_type
1459 What: /sys/.../iio:deviceX/bufferY/ 1403 What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_type
1460 What: /sys/.../iio:deviceX/bufferY/ 1404 What: /sys/.../iio:deviceX/bufferY/in_anglvel_type
1461 What: /sys/.../iio:deviceX/bufferY/ 1405 What: /sys/.../iio:deviceX/bufferY/in_magn_type
1462 What: /sys/.../iio:deviceX/bufferY/ 1406 What: /sys/.../iio:deviceX/bufferY/in_incli_type
1463 What: /sys/.../iio:deviceX/bufferY/ 1407 What: /sys/.../iio:deviceX/bufferY/in_voltageY_type
1464 What: /sys/.../iio:deviceX/bufferY/ 1408 What: /sys/.../iio:deviceX/bufferY/in_voltage_type
1465 What: /sys/.../iio:deviceX/bufferY/ 1409 What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_type
1466 What: /sys/.../iio:deviceX/bufferY/ 1410 What: /sys/.../iio:deviceX/bufferY/in_voltageY_i_type
1467 What: /sys/.../iio:deviceX/bufferY/ 1411 What: /sys/.../iio:deviceX/bufferY/in_voltageY_q_type
1468 What: /sys/.../iio:deviceX/bufferY/ 1412 What: /sys/.../iio:deviceX/bufferY/in_voltage_i_type
1469 What: /sys/.../iio:deviceX/bufferY/ 1413 What: /sys/.../iio:deviceX/bufferY/in_voltage_q_type
1470 What: /sys/.../iio:deviceX/bufferY/ 1414 What: /sys/.../iio:deviceX/bufferY/in_timestamp_type
1471 What: /sys/.../iio:deviceX/bufferY/ 1415 What: /sys/.../iio:deviceX/bufferY/in_pressureY_type
1472 What: /sys/.../iio:deviceX/bufferY/ 1416 What: /sys/.../iio:deviceX/bufferY/in_pressure_type
1473 What: /sys/.../iio:deviceX/bufferY/ 1417 What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_type
1474 What: /sys/.../iio:deviceX/bufferY/ 1418 What: /sys/.../iio:deviceX/bufferY/in_proximity_type
1475 KernelVersion: 5.11 1419 KernelVersion: 5.11
1476 Contact: linux-iio@vger.kernel.org 1420 Contact: linux-iio@vger.kernel.org
1477 Description: 1421 Description:
1478 Description of the scan eleme 1422 Description of the scan element data storage within the buffer
1479 and hence the form in which i 1423 and hence the form in which it is read from user-space.
1480 Form is [be|le]:[s|u]bits/sto 1424 Form is [be|le]:[s|u]bits/storagebits[>>shift].
1481 be or le specifies big or lit 1425 be or le specifies big or little endian. s or u specifies if
1482 signed (2's complement) or un 1426 signed (2's complement) or unsigned. bits is the number of bits
1483 of data and storagebits is th 1427 of data and storagebits is the space (after padding) that it
1484 occupies in the buffer. shift 1428 occupies in the buffer. shift if specified, is the shift that
1485 needs to be applied prior to 1429 needs to be applied prior to masking out unused bits. Some
1486 devices put their data in the 1430 devices put their data in the middle of the transferred elements
1487 with additional information o 1431 with additional information on both sides. Note that some
1488 devices will have additional 1432 devices will have additional information in the unused bits
1489 so to get a clean value, the 1433 so to get a clean value, the bits value must be used to mask
1490 the buffer output value appro 1434 the buffer output value appropriately. The storagebits value
1491 also specifies the data align 1435 also specifies the data alignment. So s48/64>>2 will be a
1492 signed 48 bit integer stored 1436 signed 48 bit integer stored in a 64 bit location aligned to
1493 a 64 bit boundary. To obtain 1437 a 64 bit boundary. To obtain the clean value, shift right 2
1494 and apply a mask to zero the 1438 and apply a mask to zero the top 16 bits of the result.
1495 For other storage combination 1439 For other storage combinations this attribute will be extended
1496 appropriately. 1440 appropriately.
1497 1441
1498 What: /sys/.../iio:deviceX/scan_ele 1442 What: /sys/.../iio:deviceX/scan_elements/in_accel_type_available
1499 KernelVersion: 2.6.37 1443 KernelVersion: 2.6.37
1500 Contact: linux-iio@vger.kernel.org 1444 Contact: linux-iio@vger.kernel.org
1501 Description: 1445 Description:
1502 If the type parameter can tak 1446 If the type parameter can take one of a small set of values,
1503 this attribute lists them. 1447 this attribute lists them.
1504 1448
1505 What: /sys/.../iio:deviceX/bufferY/ 1449 What: /sys/.../iio:deviceX/bufferY/in_voltageY_index
1506 What: /sys/.../iio:deviceX/bufferY/ 1450 What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_index
1507 What: /sys/.../iio:deviceX/bufferY/ 1451 What: /sys/.../iio:deviceX/bufferY/in_voltageY_i_index
1508 What: /sys/.../iio:deviceX/bufferY/ 1452 What: /sys/.../iio:deviceX/bufferY/in_voltageY_q_index
1509 What: /sys/.../iio:deviceX/bufferY/ 1453 What: /sys/.../iio:deviceX/bufferY/in_voltage_i_index
1510 What: /sys/.../iio:deviceX/bufferY/ 1454 What: /sys/.../iio:deviceX/bufferY/in_voltage_q_index
1511 What: /sys/.../iio:deviceX/bufferY/ 1455 What: /sys/.../iio:deviceX/bufferY/in_accel_x_index
1512 What: /sys/.../iio:deviceX/bufferY/ 1456 What: /sys/.../iio:deviceX/bufferY/in_accel_y_index
1513 What: /sys/.../iio:deviceX/bufferY/ 1457 What: /sys/.../iio:deviceX/bufferY/in_accel_z_index
1514 What: /sys/.../iio:deviceX/bufferY/ 1458 What: /sys/.../iio:deviceX/bufferY/in_deltaangl_x_index
1515 What: /sys/.../iio:deviceX/bufferY/ 1459 What: /sys/.../iio:deviceX/bufferY/in_deltaangl_y_index
1516 What: /sys/.../iio:deviceX/bufferY/ 1460 What: /sys/.../iio:deviceX/bufferY/in_deltaangl_z_index
1517 What: /sys/.../iio:deviceX/bufferY/ 1461 What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_x_index
1518 What: /sys/.../iio:deviceX/bufferY/ 1462 What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_y_index
1519 What: /sys/.../iio:deviceX/bufferY/ 1463 What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_z_index
1520 What: /sys/.../iio:deviceX/bufferY/ 1464 What: /sys/.../iio:deviceX/bufferY/in_anglvel_x_index
1521 What: /sys/.../iio:deviceX/bufferY/ 1465 What: /sys/.../iio:deviceX/bufferY/in_anglvel_y_index
1522 What: /sys/.../iio:deviceX/bufferY/ 1466 What: /sys/.../iio:deviceX/bufferY/in_anglvel_z_index
1523 What: /sys/.../iio:deviceX/bufferY/ 1467 What: /sys/.../iio:deviceX/bufferY/in_magn_x_index
1524 What: /sys/.../iio:deviceX/bufferY/ 1468 What: /sys/.../iio:deviceX/bufferY/in_magn_y_index
1525 What: /sys/.../iio:deviceX/bufferY/ 1469 What: /sys/.../iio:deviceX/bufferY/in_magn_z_index
1526 What: /sys/.../iio:deviceX/bufferY/ 1470 What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_index
1527 What: /sys/.../iio:deviceX/bufferY/ 1471 What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_index
1528 What: /sys/.../iio:deviceX/bufferY/ 1472 What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_tilt_comp_index
1529 What: /sys/.../iio:deviceX/bufferY/ 1473 What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_tilt_comp_index
1530 What: /sys/.../iio:deviceX/bufferY/ 1474 What: /sys/.../iio:deviceX/bufferY/in_incli_x_index
1531 What: /sys/.../iio:deviceX/bufferY/ 1475 What: /sys/.../iio:deviceX/bufferY/in_incli_y_index
1532 What: /sys/.../iio:deviceX/bufferY/ 1476 What: /sys/.../iio:deviceX/bufferY/in_timestamp_index
1533 What: /sys/.../iio:deviceX/bufferY/ 1477 What: /sys/.../iio:deviceX/bufferY/in_pressureY_index
1534 What: /sys/.../iio:deviceX/bufferY/ 1478 What: /sys/.../iio:deviceX/bufferY/in_pressure_index
1535 What: /sys/.../iio:deviceX/bufferY/ 1479 What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_index
1536 What: /sys/.../iio:deviceX/bufferY/ 1480 What: /sys/.../iio:deviceX/bufferY/in_proximity_index
1537 KernelVersion: 5.11 1481 KernelVersion: 5.11
1538 Contact: linux-iio@vger.kernel.org 1482 Contact: linux-iio@vger.kernel.org
1539 Description: 1483 Description:
1540 A single positive integer spe 1484 A single positive integer specifying the position of this
1541 scan element in the buffer. N 1485 scan element in the buffer. Note these are not dependent on
1542 what is enabled and may not b 1486 what is enabled and may not be contiguous. Thus for user-space
1543 to establish the full layout 1487 to establish the full layout these must be used in conjunction
1544 with all _en attributes to es 1488 with all _en attributes to establish which channels are present,
1545 and the relevant _type attrib 1489 and the relevant _type attributes to establish the data storage
1546 format. 1490 format.
1547 1491
1548 What: /sys/.../iio:deviceX/in_activ 1492 What: /sys/.../iio:deviceX/in_activity_still_input
1549 What: /sys/.../iio:deviceX/in_activ 1493 What: /sys/.../iio:deviceX/in_activity_walking_input
1550 What: /sys/.../iio:deviceX/in_activ 1494 What: /sys/.../iio:deviceX/in_activity_jogging_input
1551 What: /sys/.../iio:deviceX/in_activ 1495 What: /sys/.../iio:deviceX/in_activity_running_input
1552 KernelVersion: 3.19 1496 KernelVersion: 3.19
1553 Contact: linux-iio@vger.kernel.org 1497 Contact: linux-iio@vger.kernel.org
1554 Description: 1498 Description:
1555 This attribute is used to rea 1499 This attribute is used to read the confidence for an activity
1556 expressed in units as percent 1500 expressed in units as percentage.
1557 1501
1558 What: /sys/.../iio:deviceX/in_anglv 1502 What: /sys/.../iio:deviceX/in_anglvel_z_quadrature_correction_raw
1559 KernelVersion: 2.6.38 1503 KernelVersion: 2.6.38
1560 Contact: linux-iio@vger.kernel.org 1504 Contact: linux-iio@vger.kernel.org
1561 Description: 1505 Description:
1562 This attribute is used to rea 1506 This attribute is used to read the amount of quadrature error
1563 present in the device at a gi 1507 present in the device at a given time.
1564 1508
1565 What: /sys/.../iio:deviceX/in_accel 1509 What: /sys/.../iio:deviceX/in_accelX_power_mode
1566 KernelVersion: 3.11 1510 KernelVersion: 3.11
1567 Contact: linux-iio@vger.kernel.org 1511 Contact: linux-iio@vger.kernel.org
1568 Description: 1512 Description:
1569 Specifies the chip power mode 1513 Specifies the chip power mode.
1570 low_noise: reduce noise level 1514 low_noise: reduce noise level from ADC,
1571 low_power: enable low current 1515 low_power: enable low current consumption.
1572 For a list of available outpu 1516 For a list of available output power modes read
1573 in_accel_power_mode_available 1517 in_accel_power_mode_available.
1574 1518
1575 What: /sys/.../iio:deviceX/in_energ 1519 What: /sys/.../iio:deviceX/in_energy_input
1576 What: /sys/.../iio:deviceX/in_energ 1520 What: /sys/.../iio:deviceX/in_energy_raw
1577 KernelVersion: 4.0 1521 KernelVersion: 4.0
1578 Contact: linux-iio@vger.kernel.org 1522 Contact: linux-iio@vger.kernel.org
1579 Description: 1523 Description:
1580 This attribute is used to rea 1524 This attribute is used to read the energy value reported by the
1581 device (e.g.: human activity 1525 device (e.g.: human activity sensors report energy burnt by the
1582 user). Units after applicatio 1526 user). Units after application of scale are Joules.
1583 1527
1584 What: /sys/.../iio:deviceX/in_dista 1528 What: /sys/.../iio:deviceX/in_distance_input
1585 What: /sys/.../iio:deviceX/in_dista 1529 What: /sys/.../iio:deviceX/in_distance_raw
1586 KernelVersion: 4.0 1530 KernelVersion: 4.0
1587 Contact: linux-iio@vger.kernel.org 1531 Contact: linux-iio@vger.kernel.org
1588 Description: 1532 Description:
1589 This attribute is used to rea 1533 This attribute is used to read the measured distance to an object
1590 or the distance covered by th 1534 or the distance covered by the user since the last reboot while
1591 activated. Units after applic 1535 activated. Units after application of scale are meters.
1592 1536
1593 What: /sys/bus/iio/devices/iio:devi 1537 What: /sys/bus/iio/devices/iio:deviceX/store_eeprom
1594 KernelVersion: 3.4.0 1538 KernelVersion: 3.4.0
1595 Contact: linux-iio@vger.kernel.org 1539 Contact: linux-iio@vger.kernel.org
1596 Description: 1540 Description:
1597 Writing '1' stores the curren 1541 Writing '1' stores the current device configuration into
1598 on-chip EEPROM. After power-u 1542 on-chip EEPROM. After power-up or chip reset the device will
1599 automatically load the saved 1543 automatically load the saved configuration.
1600 1544
1601 What: /sys/.../iio:deviceX/in_proxi 1545 What: /sys/.../iio:deviceX/in_proximity_raw
1602 What: /sys/.../iio:deviceX/in_proxi 1546 What: /sys/.../iio:deviceX/in_proximity_input
1603 What: /sys/.../iio:deviceX/in_proxi 1547 What: /sys/.../iio:deviceX/in_proximityY_raw
1604 KernelVersion: 3.4 1548 KernelVersion: 3.4
1605 Contact: linux-iio@vger.kernel.org 1549 Contact: linux-iio@vger.kernel.org
1606 Description: 1550 Description:
1607 Proximity measurement indicat 1551 Proximity measurement indicating that some
1608 object is near the sensor, us 1552 object is near the sensor, usually by observing
1609 reflectivity of infrared or u 1553 reflectivity of infrared or ultrasound emitted.
1610 1554
1611 Often these sensors are unit 1555 Often these sensors are unit less and as such conversion
1612 to SI units is not possible. 1556 to SI units is not possible. Higher proximity measurements
1613 indicate closer objects, and 1557 indicate closer objects, and vice versa. Units after
1614 application of scale and offs 1558 application of scale and offset are meters.
1615 1559
1616 What: /sys/.../iio:deviceX/in_illum 1560 What: /sys/.../iio:deviceX/in_illuminance_input
1617 What: /sys/.../iio:deviceX/in_illum 1561 What: /sys/.../iio:deviceX/in_illuminance_raw
1618 What: /sys/.../iio:deviceX/in_illum 1562 What: /sys/.../iio:deviceX/in_illuminanceY_input
1619 What: /sys/.../iio:deviceX/in_illum 1563 What: /sys/.../iio:deviceX/in_illuminanceY_raw
1620 What: /sys/.../iio:deviceX/in_illum 1564 What: /sys/.../iio:deviceX/in_illuminanceY_mean_raw
1621 What: /sys/.../iio:deviceX/in_illum 1565 What: /sys/.../iio:deviceX/in_illuminance_ir_raw
1622 What: /sys/.../iio:deviceX/in_illum 1566 What: /sys/.../iio:deviceX/in_illuminance_clear_raw
1623 KernelVersion: 3.4 1567 KernelVersion: 3.4
1624 Contact: linux-iio@vger.kernel.org 1568 Contact: linux-iio@vger.kernel.org
1625 Description: 1569 Description:
1626 Illuminance measurement, unit 1570 Illuminance measurement, units after application of scale
1627 and offset are lux. 1571 and offset are lux.
1628 1572
1629 What: /sys/.../iio:deviceX/in_inten 1573 What: /sys/.../iio:deviceX/in_intensityY_raw
1630 What: /sys/.../iio:deviceX/in_inten 1574 What: /sys/.../iio:deviceX/in_intensityY_ir_raw
1631 What: /sys/.../iio:deviceX/in_inten 1575 What: /sys/.../iio:deviceX/in_intensityY_both_raw
1632 What: /sys/.../iio:deviceX/in_inten 1576 What: /sys/.../iio:deviceX/in_intensityY_uv_raw
1633 What: /sys/.../iio:deviceX/in_inten <<
1634 What: /sys/.../iio:deviceX/in_inten <<
1635 What: /sys/.../iio:deviceX/in_inten 1577 What: /sys/.../iio:deviceX/in_intensityY_duv_raw
1636 KernelVersion: 3.4 1578 KernelVersion: 3.4
1637 Contact: linux-iio@vger.kernel.org 1579 Contact: linux-iio@vger.kernel.org
1638 Description: 1580 Description:
1639 Unit-less light intensity. Mo 1581 Unit-less light intensity. Modifiers both and ir indicate
1640 that measurements contain vis 1582 that measurements contain visible and infrared light
1641 components or just infrared l 1583 components or just infrared light, respectively. Modifier
1642 uv indicates that measurement 1584 uv indicates that measurements contain ultraviolet light
1643 components. Modifiers uva, uv !! 1585 components. Modifier duv indicates that measurements
1644 measurements contain A, B or !! 1586 contain deep ultraviolet light components.
1645 components respectively. <<
1646 1587
1647 What: /sys/.../iio:deviceX/in_uvind 1588 What: /sys/.../iio:deviceX/in_uvindex_input
1648 KernelVersion: 4.6 1589 KernelVersion: 4.6
1649 Contact: linux-iio@vger.kernel.org 1590 Contact: linux-iio@vger.kernel.org
1650 Description: 1591 Description:
1651 UV light intensity index meas 1592 UV light intensity index measuring the human skin's response to
1652 different wavelength of sunli 1593 different wavelength of sunlight weighted according to the
1653 standardised CIE Erythemal Ac 1594 standardised CIE Erythemal Action Spectrum. UV index values range
1654 from 0 (low) to >=11 (extreme 1595 from 0 (low) to >=11 (extreme).
1655 1596
1656 What: /sys/.../iio:deviceX/in_inten 1597 What: /sys/.../iio:deviceX/in_intensity_integration_time
1657 What: /sys/.../iio:deviceX/in_inten 1598 What: /sys/.../iio:deviceX/in_intensity_red_integration_time
1658 What: /sys/.../iio:deviceX/in_inten 1599 What: /sys/.../iio:deviceX/in_intensity_green_integration_time
1659 What: /sys/.../iio:deviceX/in_inten 1600 What: /sys/.../iio:deviceX/in_intensity_blue_integration_time
1660 What: /sys/.../iio:deviceX/in_inten 1601 What: /sys/.../iio:deviceX/in_intensity_clear_integration_time
1661 What: /sys/.../iio:deviceX/in_illum 1602 What: /sys/.../iio:deviceX/in_illuminance_integration_time
1662 KernelVersion: 3.12 1603 KernelVersion: 3.12
1663 Contact: linux-iio@vger.kernel.org 1604 Contact: linux-iio@vger.kernel.org
1664 Description: 1605 Description:
1665 This attribute is used to get 1606 This attribute is used to get/set the integration time in
1666 seconds. If shared across all 1607 seconds. If shared across all channels of a given type,
1667 <type>_integration_time is us 1608 <type>_integration_time is used.
1668 1609
1669 What: /sys/.../iio:deviceX/in_veloc 1610 What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_integration_time
1670 KernelVersion: 4.0 1611 KernelVersion: 4.0
1671 Contact: linux-iio@vger.kernel.org 1612 Contact: linux-iio@vger.kernel.org
1672 Description: 1613 Description:
1673 Number of seconds in which to 1614 Number of seconds in which to compute speed.
1674 1615
1675 What: /sys/bus/iio/devices/iio:devi 1616 What: /sys/bus/iio/devices/iio:deviceX/in_rot_quaternion_raw
1676 KernelVersion: 3.15 1617 KernelVersion: 3.15
1677 Contact: linux-iio@vger.kernel.org 1618 Contact: linux-iio@vger.kernel.org
1678 Description: 1619 Description:
1679 Raw value of quaternion compo 1620 Raw value of quaternion components using a format
1680 x y z w. Here x, y, and z com 1621 x y z w. Here x, y, and z component represents the axis about
1681 which a rotation will occur a 1622 which a rotation will occur and w component represents the
1682 amount of rotation. 1623 amount of rotation.
1683 1624
1684 What: /sys/bus/iio/devices/iio:devi 1625 What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_tilt_comp_raw
1685 What: /sys/bus/iio/devices/iio:devi 1626 What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_tilt_comp_raw
1686 What: /sys/bus/iio/devices/iio:devi 1627 What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_raw
1687 What: /sys/bus/iio/devices/iio:devi 1628 What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_raw
1688 KernelVersion: 3.15 1629 KernelVersion: 3.15
1689 Contact: linux-iio@vger.kernel.org 1630 Contact: linux-iio@vger.kernel.org
1690 Description: 1631 Description:
1691 Raw value of rotation from tr 1632 Raw value of rotation from true/magnetic north measured with
1692 or without compensation from 1633 or without compensation from tilt sensors.
1693 1634
1694 What: /sys/bus/iio/devices/iio:devi 1635 What: /sys/bus/iio/devices/iio:deviceX/in_currentX_raw
1695 What: /sys/bus/iio/devices/iio:devi 1636 What: /sys/bus/iio/devices/iio:deviceX/in_currentX_i_raw
1696 What: /sys/bus/iio/devices/iio:devi 1637 What: /sys/bus/iio/devices/iio:deviceX/in_currentX_q_raw
1697 KernelVersion: 3.18 1638 KernelVersion: 3.18
1698 Contact: linux-iio@vger.kernel.org 1639 Contact: linux-iio@vger.kernel.org
1699 Description: 1640 Description:
1700 Raw current measurement from 1641 Raw current measurement from channel X. Units are in milliamps
1701 after application of scale an 1642 after application of scale and offset. If no offset or scale is
1702 present, output should be con 1643 present, output should be considered as processed with the
1703 unit in milliamps. 1644 unit in milliamps.
1704 1645
1705 Channels with 'i' and 'q' mod 1646 Channels with 'i' and 'q' modifiers always exist in pairs and both
1706 channels refer to the same si 1647 channels refer to the same signal. The 'i' channel contains the in-phase
1707 component of the signal while 1648 component of the signal while the 'q' channel contains the quadrature
1708 component. 1649 component.
1709 1650
1710 What: /sys/.../iio:deviceX/in_energ 1651 What: /sys/.../iio:deviceX/in_energy_en
1711 What: /sys/.../iio:deviceX/in_dista 1652 What: /sys/.../iio:deviceX/in_distance_en
1712 What: /sys/.../iio:deviceX/in_veloc 1653 What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_en
1713 What: /sys/.../iio:deviceX/in_steps 1654 What: /sys/.../iio:deviceX/in_steps_en
1714 KernelVersion: 3.19 1655 KernelVersion: 3.19
1715 Contact: linux-iio@vger.kernel.org 1656 Contact: linux-iio@vger.kernel.org
1716 Description: 1657 Description:
1717 Activates a device feature th 1658 Activates a device feature that runs in firmware/hardware.
1718 E.g. for steps: the pedometer 1659 E.g. for steps: the pedometer saves power while not used;
1719 when activated, it will count 1660 when activated, it will count the steps taken by the user in
1720 firmware and export them thro 1661 firmware and export them through in_steps_input.
1721 1662
1722 What: /sys/.../iio:deviceX/in_steps 1663 What: /sys/.../iio:deviceX/in_steps_input
1723 KernelVersion: 3.19 1664 KernelVersion: 3.19
1724 Contact: linux-iio@vger.kernel.org 1665 Contact: linux-iio@vger.kernel.org
1725 Description: 1666 Description:
1726 This attribute is used to rea 1667 This attribute is used to read the number of steps taken by the user
1727 since the last reboot while a 1668 since the last reboot while activated.
1728 1669
1729 What: /sys/.../iio:deviceX/in_veloc 1670 What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_input
1730 What: /sys/.../iio:deviceX/in_veloc 1671 What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_raw
1731 KernelVersion: 3.19 1672 KernelVersion: 3.19
1732 Contact: linux-iio@vger.kernel.org 1673 Contact: linux-iio@vger.kernel.org
1733 Description: 1674 Description:
1734 This attribute is used to rea 1675 This attribute is used to read the current speed value of the
1735 user (which is the norm or ma 1676 user (which is the norm or magnitude of the velocity vector).
1736 Units after application of sc 1677 Units after application of scale are m/s.
1737 1678
1738 What: /sys/.../iio:deviceX/in_steps 1679 What: /sys/.../iio:deviceX/in_steps_debounce_count
1739 KernelVersion: 4.0 1680 KernelVersion: 4.0
1740 Contact: linux-iio@vger.kernel.org 1681 Contact: linux-iio@vger.kernel.org
1741 Description: 1682 Description:
1742 Specifies the number of steps 1683 Specifies the number of steps that must occur within
1743 in_steps_filter_debounce_time 1684 in_steps_filter_debounce_time for the pedometer to decide the
1744 consumer is making steps. 1685 consumer is making steps.
1745 1686
1746 What: /sys/.../iio:deviceX/in_steps 1687 What: /sys/.../iio:deviceX/in_steps_debounce_time
1747 KernelVersion: 4.0 1688 KernelVersion: 4.0
1748 Contact: linux-iio@vger.kernel.org 1689 Contact: linux-iio@vger.kernel.org
1749 Description: 1690 Description:
1750 Specifies number of seconds i 1691 Specifies number of seconds in which we compute the steps
1751 that occur in order to decide 1692 that occur in order to decide if the consumer is making steps.
1752 1693
1753 What: /sys/bus/iio/devices/iio:devi 1694 What: /sys/bus/iio/devices/iio:deviceX/bufferY/watermark
1754 KernelVersion: 5.11 1695 KernelVersion: 5.11
1755 Contact: linux-iio@vger.kernel.org 1696 Contact: linux-iio@vger.kernel.org
1756 Description: 1697 Description:
1757 A single positive integer spe 1698 A single positive integer specifying the maximum number of scan
1758 elements to wait for. 1699 elements to wait for.
1759 1700
1760 Poll will block until the wat 1701 Poll will block until the watermark is reached.
1761 1702
1762 Blocking read will wait until 1703 Blocking read will wait until the minimum between the requested
1763 read amount or the low water 1704 read amount or the low water mark is available.
1764 1705
1765 Non-blocking read will retrie 1706 Non-blocking read will retrieve the available samples from the
1766 buffer even if there are less 1707 buffer even if there are less samples then watermark level. This
1767 allows the application to blo 1708 allows the application to block on poll with a timeout and read
1768 the available samples after t 1709 the available samples after the timeout expires and thus have a
1769 maximum delay guarantee. 1710 maximum delay guarantee.
1770 1711
1771 What: /sys/bus/iio/devices/iio:devi 1712 What: /sys/bus/iio/devices/iio:deviceX/bufferY/data_available
1772 KernelVersion: 5.11 1713 KernelVersion: 5.11
1773 Contact: linux-iio@vger.kernel.org 1714 Contact: linux-iio@vger.kernel.org
1774 Description: 1715 Description:
1775 A read-only value indicating 1716 A read-only value indicating the bytes of data available in the
1776 buffer. In the case of an out 1717 buffer. In the case of an output buffer, this indicates the
1777 amount of empty space availab 1718 amount of empty space available to write data to. In the case of
1778 an input buffer, this indicat 1719 an input buffer, this indicates the amount of data available for
1779 reading. 1720 reading.
1780 1721
1781 What: /sys/bus/iio/devices/iio:devi 1722 What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_enabled
1782 KernelVersion: 4.2 1723 KernelVersion: 4.2
1783 Contact: linux-iio@vger.kernel.org 1724 Contact: linux-iio@vger.kernel.org
1784 Description: 1725 Description:
1785 A read-only boolean value tha 1726 A read-only boolean value that indicates if the hardware fifo is
1786 currently enabled or disabled 1727 currently enabled or disabled. If the device does not have a
1787 hardware fifo this entry is n 1728 hardware fifo this entry is not present.
1788 The hardware fifo is enabled 1729 The hardware fifo is enabled when the buffer is enabled if the
1789 current hardware fifo waterma 1730 current hardware fifo watermark level is set and other current
1790 device settings allows it (e. 1731 device settings allows it (e.g. if a trigger is set that samples
1791 data differently that the har 1732 data differently that the hardware fifo does then hardware fifo
1792 will not enabled). 1733 will not enabled).
1793 1734
1794 If the hardware fifo is enabl 1735 If the hardware fifo is enabled and the level of the hardware
1795 fifo reaches the hardware fif 1736 fifo reaches the hardware fifo watermark level the device will
1796 flush its hardware fifo to th 1737 flush its hardware fifo to the device buffer. Doing a non
1797 blocking read on the device w 1738 blocking read on the device when no samples are present in the
1798 device buffer will also force 1739 device buffer will also force a flush.
1799 1740
1800 When the hardware fifo is ena 1741 When the hardware fifo is enabled there is no need to use a
1801 trigger to use buffer mode si 1742 trigger to use buffer mode since the watermark settings
1802 guarantees that the hardware 1743 guarantees that the hardware fifo is flushed to the device
1803 buffer. 1744 buffer.
1804 1745
1805 What: /sys/bus/iio/devices/iio:devi 1746 What: /sys/bus/iio/devices/iio:device*/buffer/hwfifo_timeout
1806 KernelVersion: 4.12 1747 KernelVersion: 4.12
1807 Contact: linux-iio@vger.kernel.org 1748 Contact: linux-iio@vger.kernel.org
1808 Description: 1749 Description:
1809 A read/write property to prov 1750 A read/write property to provide capability to delay reporting of
1810 samples till a timeout is rea 1751 samples till a timeout is reached. This allows host processors to
1811 sleep, while the sensor is st 1752 sleep, while the sensor is storing samples in its internal fifo.
1812 The maximum timeout in second 1753 The maximum timeout in seconds can be specified by setting
1813 hwfifo_timeout.The current de 1754 hwfifo_timeout.The current delay can be read by reading
1814 hwfifo_timeout. A value of 0 1755 hwfifo_timeout. A value of 0 means that there is no timeout.
1815 1756
1816 What: /sys/bus/iio/devices/iio:devi 1757 What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark
1817 KernelVersion: 4.2 1758 KernelVersion: 4.2
1818 Contact: linux-iio@vger.kernel.org 1759 Contact: linux-iio@vger.kernel.org
1819 Description: 1760 Description:
1820 Read-only entry that contains 1761 Read-only entry that contains a single integer specifying the
1821 current watermark level for t 1762 current watermark level for the hardware fifo. If the device
1822 does not have a hardware fifo 1763 does not have a hardware fifo this entry is not present.
1823 The watermark level for the h 1764 The watermark level for the hardware fifo is set by the driver
1824 based on the value set by the 1765 based on the value set by the user in buffer/watermark but
1825 taking into account hardware 1766 taking into account hardware limitations (e.g. most hardware
1826 buffers are limited to 32-64 1767 buffers are limited to 32-64 samples, some hardware buffers
1827 watermarks are fixed or have 1768 watermarks are fixed or have minimum levels). A value of 0
1828 means that the hardware water 1769 means that the hardware watermark is unset.
1829 1770
1830 What: /sys/bus/iio/devices/iio:devi 1771 What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark_min
1831 KernelVersion: 4.2 1772 KernelVersion: 4.2
1832 Contact: linux-iio@vger.kernel.org 1773 Contact: linux-iio@vger.kernel.org
1833 Description: 1774 Description:
1834 A single positive integer spe 1775 A single positive integer specifying the minimum watermark level
1835 for the hardware fifo of this 1776 for the hardware fifo of this device. If the device does not
1836 have a hardware fifo this ent 1777 have a hardware fifo this entry is not present.
1837 1778
1838 If the user sets buffer/water 1779 If the user sets buffer/watermark to a value less than this one,
1839 then the hardware watermark w 1780 then the hardware watermark will remain unset.
1840 1781
1841 What: /sys/bus/iio/devices/iio:devic 1782 What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark_max
1842 KernelVersion: 4.2 1783 KernelVersion: 4.2
1843 Contact: linux-iio@vger.kernel.org 1784 Contact: linux-iio@vger.kernel.org
1844 Description: 1785 Description:
1845 A single positive integer spe 1786 A single positive integer specifying the maximum watermark level
1846 for the hardware fifo of this 1787 for the hardware fifo of this device. If the device does not
1847 have a hardware fifo this ent 1788 have a hardware fifo this entry is not present.
1848 1789
1849 If the user sets buffer/water 1790 If the user sets buffer/watermark to a value greater than this
1850 one, then the hardware waterm 1791 one, then the hardware watermark will be capped at this value.
1851 1792
1852 What: /sys/bus/iio/devices/iio:devic 1793 What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark_available
1853 KernelVersion: 4.2 1794 KernelVersion: 4.2
1854 Contact: linux-iio@vger.kernel.org 1795 Contact: linux-iio@vger.kernel.org
1855 Description: 1796 Description:
1856 A list of positive integers s 1797 A list of positive integers specifying the available watermark
1857 levels for the hardware fifo. 1798 levels for the hardware fifo. This entry is optional and if it
1858 is not present it means that 1799 is not present it means that all the values between
1859 hwfifo_watermark_min and hwfi 1800 hwfifo_watermark_min and hwfifo_watermark_max are supported.
1860 1801
1861 If the user sets buffer/water 1802 If the user sets buffer/watermark to a value greater than
1862 hwfifo_watermak_min but not e 1803 hwfifo_watermak_min but not equal to any of the values in this
1863 list, the driver will chose a 1804 list, the driver will chose an appropriate value for the
1864 hardware fifo watermark level 1805 hardware fifo watermark level.
1865 1806
1866 What: /sys/bus/iio/devices/iio:devi 1807 What: /sys/bus/iio/devices/iio:deviceX/in_temp_calibemissivity
1867 What: /sys/bus/iio/devices/iio:devi 1808 What: /sys/bus/iio/devices/iio:deviceX/in_tempX_calibemissivity
1868 What: /sys/bus/iio/devices/iio:devi 1809 What: /sys/bus/iio/devices/iio:deviceX/in_temp_object_calibemissivity
1869 What: /sys/bus/iio/devices/iio:devi 1810 What: /sys/bus/iio/devices/iio:deviceX/in_tempX_object_calibemissivity
1870 KernelVersion: 4.1 1811 KernelVersion: 4.1
1871 Contact: linux-iio@vger.kernel.org 1812 Contact: linux-iio@vger.kernel.org
1872 Description: 1813 Description:
1873 The emissivity ratio of the s 1814 The emissivity ratio of the surface in the field of view of the
1874 contactless temperature senso 1815 contactless temperature sensor. Emissivity varies from 0 to 1,
1875 with 1 being the emissivity o 1816 with 1 being the emissivity of a black body.
1876 1817
1877 What: /sys/bus/iio/devices/iio:devi 1818 What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_oversampling_ratio
1878 What: /sys/bus/iio/devices/iio:devi 1819 What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_oversampling_ratio
1879 What: /sys/bus/iio/devices/iio:devi 1820 What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_oversampling_ratio
1880 KernelVersion: 4.2 1821 KernelVersion: 4.2
1881 Contact: linux-iio@vger.kernel.org 1822 Contact: linux-iio@vger.kernel.org
1882 Description: 1823 Description:
1883 Hardware applied number of me 1824 Hardware applied number of measurements for acquiring one
1884 data point. The HW will do <t 1825 data point. The HW will do <type>[_name]_oversampling_ratio
1885 measurements and return the a 1826 measurements and return the average value as output data. Each
1886 value resulted from <type>[_n 1827 value resulted from <type>[_name]_oversampling_ratio measurements
1887 is considered as one sample f 1828 is considered as one sample for <type>[_name]_sampling_frequency.
1888 1829
1889 What: /sys/bus/iio/devices/iio:devi 1830 What: /sys/bus/iio/devices/iio:deviceX/in_concentration_raw
1890 What: /sys/bus/iio/devices/iio:devi 1831 What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_raw
1891 What: /sys/bus/iio/devices/iio:devi 1832 What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_raw
1892 What: /sys/bus/iio/devices/iio:devi 1833 What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_co2_raw
1893 What: /sys/bus/iio/devices/iio:devi 1834 What: /sys/bus/iio/devices/iio:deviceX/in_concentration_ethanol_raw
1894 What: /sys/bus/iio/devices/iio:devi 1835 What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_ethanol_raw
1895 What: /sys/bus/iio/devices/iio:devi 1836 What: /sys/bus/iio/devices/iio:deviceX/in_concentration_h2_raw
1896 What: /sys/bus/iio/devices/iio:devi 1837 What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_h2_raw
1897 What: /sys/bus/iio/devices/iio:devi 1838 What: /sys/bus/iio/devices/iio:deviceX/in_concentration_o2_raw
1898 What: /sys/bus/iio/devices/iio:devi 1839 What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_o2_raw
1899 What: /sys/bus/iio/devices/iio:devi 1840 What: /sys/bus/iio/devices/iio:deviceX/in_concentration_voc_raw
1900 What: /sys/bus/iio/devices/iio:devi 1841 What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_voc_raw
1901 KernelVersion: 4.3 1842 KernelVersion: 4.3
1902 Contact: linux-iio@vger.kernel.org 1843 Contact: linux-iio@vger.kernel.org
1903 Description: 1844 Description:
1904 Raw (unscaled no offset etc.) 1845 Raw (unscaled no offset etc.) reading of a substance. Units
1905 after application of scale an 1846 after application of scale and offset are percents.
1906 1847
1907 What: /sys/bus/iio/devices/iio:devi 1848 What: /sys/bus/iio/devices/iio:deviceX/in_resistance_raw
1908 What: /sys/bus/iio/devices/iio:devi 1849 What: /sys/bus/iio/devices/iio:deviceX/in_resistanceX_raw
1909 What: /sys/bus/iio/devices/iio:devi 1850 What: /sys/bus/iio/devices/iio:deviceX/out_resistance_raw
1910 What: /sys/bus/iio/devices/iio:devi 1851 What: /sys/bus/iio/devices/iio:deviceX/out_resistanceX_raw
1911 KernelVersion: 4.3 1852 KernelVersion: 4.3
1912 Contact: linux-iio@vger.kernel.org 1853 Contact: linux-iio@vger.kernel.org
1913 Description: 1854 Description:
1914 Raw (unscaled no offset etc.) 1855 Raw (unscaled no offset etc.) resistance reading.
1915 Units after application of sc 1856 Units after application of scale and offset are ohms.
1916 1857
1917 What: /sys/bus/iio/devices/iio:devi 1858 What: /sys/bus/iio/devices/iio:deviceX/heater_enable
1918 KernelVersion: 4.1.0 1859 KernelVersion: 4.1.0
1919 Contact: linux-iio@vger.kernel.org 1860 Contact: linux-iio@vger.kernel.org
1920 Description: 1861 Description:
1921 '1' (enable) or '0' (disable) 1862 '1' (enable) or '0' (disable) specifying the enable
1922 of heater function. Same read 1863 of heater function. Same reading values apply.
1923 1864
1924 This ABI is especially applic 1865 This ABI is especially applicable for humidity sensors
1925 to heatup the device and get 1866 to heatup the device and get rid of any condensation
1926 in some humidity environment 1867 in some humidity environment
1927 1868
1928 What: /sys/bus/iio/devices/iio:devi 1869 What: /sys/bus/iio/devices/iio:deviceX/in_ph_raw
1929 KernelVersion: 4.5 1870 KernelVersion: 4.5
1930 Contact: linux-iio@vger.kernel.org 1871 Contact: linux-iio@vger.kernel.org
1931 Description: 1872 Description:
1932 Raw (unscaled no offset etc.) 1873 Raw (unscaled no offset etc.) pH reading of a substance as a negative
1933 base-10 logarithm of hydrodiu 1874 base-10 logarithm of hydrodium ions in a litre of water.
1934 1875
1935 What: /sys/bus/iio/devices/iio:devi 1876 What: /sys/bus/iio/devices/iio:deviceX/mount_matrix
1936 What: /sys/bus/iio/devices/iio:devi 1877 What: /sys/bus/iio/devices/iio:deviceX/in_mount_matrix
1937 What: /sys/bus/iio/devices/iio:devi 1878 What: /sys/bus/iio/devices/iio:deviceX/out_mount_matrix
1938 What: /sys/bus/iio/devices/iio:devi 1879 What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_mount_matrix
1939 What: /sys/bus/iio/devices/iio:devi 1880 What: /sys/bus/iio/devices/iio:deviceX/in_accel_mount_matrix
1940 KernelVersion: 4.6 1881 KernelVersion: 4.6
1941 Contact: linux-iio@vger.kernel.org 1882 Contact: linux-iio@vger.kernel.org
1942 Description: 1883 Description:
1943 Mounting matrix for IIO senso 1884 Mounting matrix for IIO sensors. This is a rotation matrix which
1944 informs userspace about senso 1885 informs userspace about sensor chip's placement relative to the
1945 main hardware it is mounted o 1886 main hardware it is mounted on.
1946 1887
1947 Main hardware placement is de 1888 Main hardware placement is defined according to the local
1948 reference frame related to th 1889 reference frame related to the physical quantity the sensor
1949 measures. 1890 measures.
1950 1891
1951 Given that the rotation matri 1892 Given that the rotation matrix is defined in a board specific
1952 way (platform data and / or d 1893 way (platform data and / or device-tree), the main hardware
1953 reference frame definition is 1894 reference frame definition is left to the implementor's choice
1954 (see below for a magnetometer 1895 (see below for a magnetometer example).
1955 1896
1956 Applications should apply thi 1897 Applications should apply this rotation matrix to samples so
1957 that when main hardware refer 1898 that when main hardware reference frame is aligned onto local
1958 reference frame, then sensor 1899 reference frame, then sensor chip reference frame is also
1959 perfectly aligned with it. 1900 perfectly aligned with it.
1960 1901
1961 Matrix is a 3x3 unitary matri 1902 Matrix is a 3x3 unitary matrix and typically looks like
1962 [0, 1, 0; 1, 0, 0; 0, 0, -1]. 1903 [0, 1, 0; 1, 0, 0; 0, 0, -1]. Identity matrix
1963 [1, 0, 0; 0, 1, 0; 0, 0, 1] m 1904 [1, 0, 0; 0, 1, 0; 0, 0, 1] means sensor chip and main hardware
1964 are perfectly aligned with ea 1905 are perfectly aligned with each other.
1965 1906
1966 For example, a mounting matri 1907 For example, a mounting matrix for a magnetometer sensor informs
1967 userspace about sensor chip's 1908 userspace about sensor chip's ORIENTATION relative to the main
1968 hardware. 1909 hardware.
1969 1910
1970 More specifically, main hardw 1911 More specifically, main hardware orientation is defined with
1971 respect to the LOCAL EARTH GE 1912 respect to the LOCAL EARTH GEOMAGNETIC REFERENCE FRAME where :
1972 1913
1973 * Y is in the ground plane an 1914 * Y is in the ground plane and positive towards magnetic North ;
1974 * X is in the ground plane, p 1915 * X is in the ground plane, perpendicular to the North axis and
1975 positive towards the East ; 1916 positive towards the East ;
1976 * Z is perpendicular to the g 1917 * Z is perpendicular to the ground plane and positive upwards.
1977 1918
1978 An implementor might consider 1919 An implementor might consider that for a hand-held device, a
1979 'natural' orientation would b 1920 'natural' orientation would be 'front facing camera at the top'.
1980 The main hardware reference f 1921 The main hardware reference frame could then be described as :
1981 1922
1982 * Y is in the plane of the sc 1923 * Y is in the plane of the screen and is positive towards the
1983 top of the screen ; 1924 top of the screen ;
1984 * X is in the plane of the sc 1925 * X is in the plane of the screen, perpendicular to Y axis, and
1985 positive towards the right 1926 positive towards the right hand side of the screen ;
1986 * Z is perpendicular to the s 1927 * Z is perpendicular to the screen plane and positive out of the
1987 screen. 1928 screen.
1988 1929
1989 Another example for a quadrot 1930 Another example for a quadrotor UAV might be :
1990 1931
1991 * Y is in the plane of the pr 1932 * Y is in the plane of the propellers and positive towards the
1992 front-view camera; 1933 front-view camera;
1993 * X is in the plane of the pr 1934 * X is in the plane of the propellers, perpendicular to Y axis,
1994 and positive towards the st 1935 and positive towards the starboard side of the UAV ;
1995 * Z is perpendicular to prope 1936 * Z is perpendicular to propellers plane and positive upwards.
1996 1937
1997 What: /sys/bus/iio/devices/iio:devi 1938 What: /sys/bus/iio/devices/iio:deviceX/in_electricalconductivity_raw
1998 KernelVersion: 4.8 1939 KernelVersion: 4.8
1999 Contact: linux-iio@vger.kernel.org 1940 Contact: linux-iio@vger.kernel.org
2000 Description: 1941 Description:
2001 Raw (unscaled no offset etc.) 1942 Raw (unscaled no offset etc.) electric conductivity reading.
2002 Units after application of sc 1943 Units after application of scale and offset are siemens per
2003 meter. 1944 meter.
2004 1945
2005 What: /sys/bus/iio/devices/iio:devi 1946 What: /sys/bus/iio/devices/iio:deviceX/in_countY_raw
2006 KernelVersion: 4.10 1947 KernelVersion: 4.10
2007 Contact: linux-iio@vger.kernel.org 1948 Contact: linux-iio@vger.kernel.org
2008 Description: 1949 Description:
2009 This interface is deprecated; 1950 This interface is deprecated; please use the Counter subsystem.
2010 1951
2011 Raw counter device counts fro 1952 Raw counter device counts from channel Y. For quadrature
2012 counters, multiplication by a 1953 counters, multiplication by an available [Y]_scale results in
2013 the counts of a single quadra 1954 the counts of a single quadrature signal phase from channel Y.
2014 1955
2015 What: /sys/bus/iio/devices/iio:devi 1956 What: /sys/bus/iio/devices/iio:deviceX/in_indexY_raw
2016 KernelVersion: 4.10 1957 KernelVersion: 4.10
2017 Contact: linux-iio@vger.kernel.org 1958 Contact: linux-iio@vger.kernel.org
2018 Description: 1959 Description:
2019 This interface is deprecated; 1960 This interface is deprecated; please use the Counter subsystem.
2020 1961
2021 Raw counter device index valu 1962 Raw counter device index value from channel Y. This attribute
2022 provides an absolute position 1963 provides an absolute positional reference (e.g. a pulse once per
2023 revolution) which may be used 1964 revolution) which may be used to home positional systems as
2024 required. 1965 required.
2025 1966
2026 What: /sys/bus/iio/devices/iio:devi 1967 What: /sys/bus/iio/devices/iio:deviceX/in_count_count_direction_available
2027 KernelVersion: 4.12 1968 KernelVersion: 4.12
2028 Contact: linux-iio@vger.kernel.org 1969 Contact: linux-iio@vger.kernel.org
2029 Description: 1970 Description:
2030 This interface is deprecated; 1971 This interface is deprecated; please use the Counter subsystem.
2031 1972
2032 A list of possible counting d 1973 A list of possible counting directions which are:
2033 1974
2034 - "up" : counter device is i 1975 - "up" : counter device is increasing.
2035 - "down": counter device is d 1976 - "down": counter device is decreasing.
2036 1977
2037 What: /sys/bus/iio/devices/iio:devi 1978 What: /sys/bus/iio/devices/iio:deviceX/in_countY_count_direction
2038 KernelVersion: 4.12 1979 KernelVersion: 4.12
2039 Contact: linux-iio@vger.kernel.org 1980 Contact: linux-iio@vger.kernel.org
2040 Description: 1981 Description:
2041 This interface is deprecated; 1982 This interface is deprecated; please use the Counter subsystem.
2042 1983
2043 Raw counter device counters d 1984 Raw counter device counters direction for channel Y.
2044 1985
2045 What: /sys/bus/iio/devices/iio:devi 1986 What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_label
2046 What: /sys/bus/iio/devices/iio:devi 1987 What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_label
2047 KernelVersion: 5.8 1988 KernelVersion: 5.8
2048 Contact: linux-iio@vger.kernel.org 1989 Contact: linux-iio@vger.kernel.org
2049 Description: 1990 Description:
2050 Optional symbolic label to a 1991 Optional symbolic label to a device channel.
2051 If a label is defined for thi 1992 If a label is defined for this channel add that to the channel
2052 specific attributes. This is 1993 specific attributes. This is useful for userspace to be able to
2053 better identify an individual 1994 better identify an individual channel.
2054 1995
2055 What: /sys/bus/iio/devices/iio:devi 1996 What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw
2056 KernelVersion: 4.18 1997 KernelVersion: 4.18
2057 Contact: linux-iio@vger.kernel.org 1998 Contact: linux-iio@vger.kernel.org
2058 Description: 1999 Description:
2059 Raw (unscaled) phase differen 2000 Raw (unscaled) phase difference reading from channel Y.
2060 Units after application of sc 2001 Units after application of scale and offset are radians.
2061 2002
2062 What: /sys/bus/iio/devices/iio:devi 2003 What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm1_input
2063 What: /sys/bus/iio/devices/iio:devi 2004 What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm1_input
2064 What: /sys/bus/iio/devices/iio:devi 2005 What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm2p5_input
2065 What: /sys/bus/iio/devices/iio:devi 2006 What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm2p5_input
2066 What: /sys/bus/iio/devices/iio:devi 2007 What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm4_input
2067 What: /sys/bus/iio/devices/iio:devi 2008 What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm4_input
2068 What: /sys/bus/iio/devices/iio:devi 2009 What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm10_input
2069 What: /sys/bus/iio/devices/iio:devi 2010 What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm10_input
2070 KernelVersion: 4.22 2011 KernelVersion: 4.22
2071 Contact: linux-iio@vger.kernel.org 2012 Contact: linux-iio@vger.kernel.org
2072 Description: 2013 Description:
2073 Mass concentration reading of 2014 Mass concentration reading of particulate matter in ug / m3.
2074 pmX consists of particles wit 2015 pmX consists of particles with aerodynamic diameter less or
2075 equal to X micrometers. 2016 equal to X micrometers.
2076 2017
2077 What: /sys/bus/iio/devices/iio:devi 2018 What: /sys/bus/iio/devices/iio:deviceX/events/in_illuminance_period_available
2078 Date: November 2019 2019 Date: November 2019
2079 KernelVersion: 5.4 2020 KernelVersion: 5.4
2080 Contact: linux-iio@vger.kernel.org 2021 Contact: linux-iio@vger.kernel.org
2081 Description: 2022 Description:
2082 List of valid periods (in sec 2023 List of valid periods (in seconds) for which the light intensity
2083 must be above the threshold l 2024 must be above the threshold level before interrupt is asserted.
2084 2025
2085 What: /sys/bus/iio/devices/iio:devi 2026 What: /sys/bus/iio/devices/iio:deviceX/in_filter_notch_center_frequency
2086 KernelVersion: 5.5 2027 KernelVersion: 5.5
2087 Contact: linux-iio@vger.kernel.org 2028 Contact: linux-iio@vger.kernel.org
2088 Description: 2029 Description:
2089 Center frequency in Hz for a 2030 Center frequency in Hz for a notch filter. Used i.e. for line
2090 noise suppression. 2031 noise suppression.
2091 2032
2092 What: /sys/bus/iio/devices/iio:devi 2033 What: /sys/bus/iio/devices/iio:deviceX/in_temp_thermocouple_type
2093 KernelVersion: 5.5 2034 KernelVersion: 5.5
2094 Contact: linux-iio@vger.kernel.org 2035 Contact: linux-iio@vger.kernel.org
2095 Description: 2036 Description:
2096 One of the following thermoco 2037 One of the following thermocouple types: B, E, J, K, N, R, S, T.
2097 2038
2098 What: /sys/bus/iio/devices/iio:devi 2039 What: /sys/bus/iio/devices/iio:deviceX/in_temp_object_calibambient
2099 What: /sys/bus/iio/devices/iio:devi 2040 What: /sys/bus/iio/devices/iio:deviceX/in_tempX_object_calibambient
2100 KernelVersion: 5.10 2041 KernelVersion: 5.10
2101 Contact: linux-iio@vger.kernel.org 2042 Contact: linux-iio@vger.kernel.org
2102 Description: 2043 Description:
2103 Calibrated ambient temperatur 2044 Calibrated ambient temperature for object temperature
2104 calculation in milli degrees 2045 calculation in milli degrees Celsius.
2105 2046
2106 What: /sys/bus/iio/devices/iio:devi 2047 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_x_raw
2107 What: /sys/bus/iio/devices/iio:devi 2048 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_y_raw
2108 What: /sys/bus/iio/devices/iio:devi 2049 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_z_raw
2109 KernelVersion: 5.10 2050 KernelVersion: 5.10
2110 Contact: linux-iio@vger.kernel.org 2051 Contact: linux-iio@vger.kernel.org
2111 Description: 2052 Description:
2112 Unscaled light intensity acco 2053 Unscaled light intensity according to CIE 1931/DIN 5033 color space.
2113 Units after application of sc 2054 Units after application of scale are nano nanowatts per square meter.
2114 2055
2115 What: /sys/bus/iio/devices/iio:devi 2056 What: /sys/bus/iio/devices/iio:deviceX/in_anglY_label
2116 KernelVersion: 5.12 2057 KernelVersion: 5.12
2117 Contact: linux-iio@vger.kernel.org 2058 Contact: linux-iio@vger.kernel.org
2118 Description: 2059 Description:
2119 Optional symbolic label for c 2060 Optional symbolic label for channel Y.
2120 For Intel hid hinge sensor, t 2061 For Intel hid hinge sensor, the label values are:
2121 hinge, keyboard, screen. It m 2062 hinge, keyboard, screen. It means the three channels
2122 each correspond respectively 2063 each correspond respectively to hinge angle, keyboard angle,
2123 and screen angle. 2064 and screen angle.
2124 2065
2125 What: /sys/bus/iio/devices/iio:devi 2066 What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_hysteresis_relative
2126 What: /sys/bus/iio/devices/iio:devi 2067 What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hysteresis_relative
2127 KernelVersion: 5.12 2068 KernelVersion: 5.12
2128 Contact: linux-iio@vger.kernel.org 2069 Contact: linux-iio@vger.kernel.org
2129 Description: 2070 Description:
2130 Specify the percent for light 2071 Specify the percent for light sensor relative to the channel
2131 absolute value that a data fi 2072 absolute value that a data field should change before an event
2132 is generated. Units are a per 2073 is generated. Units are a percentage of the prior reading.
2133 2074
2134 What: /sys/bus/iio/devices/iio:devi 2075 What: /sys/bus/iio/devices/iio:deviceX/calibration_auto_enable
2135 Date: June 2020 2076 Date: June 2020
2136 KernelVersion: 5.8 2077 KernelVersion: 5.8
2137 Contact: linux-iio@vger.kernel.org 2078 Contact: linux-iio@vger.kernel.org
2138 Description: 2079 Description:
2139 Some sensors have the ability 2080 Some sensors have the ability to apply auto calibration at
2140 runtime. For example, it may 2081 runtime. For example, it may be necessary to compensate for
2141 contaminant build-up in a mea 2082 contaminant build-up in a measurement chamber or optical
2142 element deterioration that wo 2083 element deterioration that would otherwise lead to sensor drift.
2143 2084
2144 Writing 1 or 0 to this attrib 2085 Writing 1 or 0 to this attribute will respectively activate or
2145 deactivate this auto calibrat 2086 deactivate this auto calibration function.
2146 2087
2147 Upon reading, the current sta 2088 Upon reading, the current status is returned.
2148 2089
2149 What: /sys/bus/iio/devices/iio:devi 2090 What: /sys/bus/iio/devices/iio:deviceX/calibration_forced_value
2150 Date: June 2020 2091 Date: June 2020
2151 KernelVersion: 5.8 2092 KernelVersion: 5.8
2152 Contact: linux-iio@vger.kernel.org 2093 Contact: linux-iio@vger.kernel.org
2153 Description: 2094 Description:
2154 Some sensors have the ability 2095 Some sensors have the ability to apply a manual calibration using
2155 a known measurement value, pe 2096 a known measurement value, perhaps obtained from an external
2156 reference device. 2097 reference device.
2157 2098
2158 Writing a value to this funct 2099 Writing a value to this function will force such a calibration
2159 change. For the scd30 the val 2100 change. For the scd30 the value should be from the range
2160 [400 1 2000]. 2101 [400 1 2000].
2161 2102
2162 Note for the scd30 that a val 2103 Note for the scd30 that a valid value may only be obtained once
2163 it is has been written. Until 2104 it is has been written. Until then any read back of this value
2164 should be ignored. As for the 2105 should be ignored. As for the scd4x an error will be returned
2165 immediately if the manual cal 2106 immediately if the manual calibration has failed.
2166 2107
2167 What: /sys/bus/iio/devices/iio:devi 2108 What: /sys/bus/iio/devices/iio:deviceX/calibration_forced_value_available
2168 KernelVersion: 5.15 2109 KernelVersion: 5.15
2169 Contact: linux-iio@vger.kernel.org 2110 Contact: linux-iio@vger.kernel.org
2170 Description: 2111 Description:
2171 Available range for the force 2112 Available range for the forced calibration value, expressed as:
2172 2113
2173 - a range specified as "[min 2114 - a range specified as "[min step max]"
2174 2115
2175 What: /sys/bus/iio/devices/iio:devi 2116 What: /sys/bus/iio/devices/iio:deviceX/in_voltageX_sampling_frequency
2176 What: /sys/bus/iio/devices/iio:devi 2117 What: /sys/bus/iio/devices/iio:deviceX/in_powerY_sampling_frequency
2177 What: /sys/bus/iio/devices/iio:devi 2118 What: /sys/bus/iio/devices/iio:deviceX/in_currentZ_sampling_frequency
2178 KernelVersion: 5.20 2119 KernelVersion: 5.20
2179 Contact: linux-iio@vger.kernel.org 2120 Contact: linux-iio@vger.kernel.org
2180 Description: 2121 Description:
2181 Some devices have separate co 2122 Some devices have separate controls of sampling frequency for
2182 individual channels. If multi 2123 individual channels. If multiple channels are enabled in a scan,
2183 then the sampling_frequency o 2124 then the sampling_frequency of the scan may be computed from the
2184 per channel sampling frequenc 2125 per channel sampling frequencies.
2185 2126
2186 What: /sys/.../events/in_accel_gest 2127 What: /sys/.../events/in_accel_gesture_singletap_en
2187 What: /sys/.../events/in_accel_gest 2128 What: /sys/.../events/in_accel_gesture_doubletap_en
2188 KernelVersion: 6.1 2129 KernelVersion: 6.1
2189 Contact: linux-iio@vger.kernel.org 2130 Contact: linux-iio@vger.kernel.org
2190 Description: 2131 Description:
2191 Device generates an event on 2132 Device generates an event on a single or double tap.
2192 2133
2193 What: /sys/.../events/in_accel_gest 2134 What: /sys/.../events/in_accel_gesture_singletap_value
2194 What: /sys/.../events/in_accel_gest 2135 What: /sys/.../events/in_accel_gesture_doubletap_value
2195 KernelVersion: 6.1 2136 KernelVersion: 6.1
2196 Contact: linux-iio@vger.kernel.org 2137 Contact: linux-iio@vger.kernel.org
2197 Description: 2138 Description:
2198 Specifies the threshold value 2139 Specifies the threshold value that the device is comparing
2199 against to generate the tap g 2140 against to generate the tap gesture event. The lower
2200 threshold value increases the 2141 threshold value increases the sensitivity of tap detection.
2201 Units and the exact meaning o 2142 Units and the exact meaning of value are device-specific.
2202 2143
2203 What: /sys/.../events/in_accel_gest 2144 What: /sys/.../events/in_accel_gesture_tap_value_available
2204 KernelVersion: 6.1 2145 KernelVersion: 6.1
2205 Contact: linux-iio@vger.kernel.org 2146 Contact: linux-iio@vger.kernel.org
2206 Description: 2147 Description:
2207 Lists all available threshold 2148 Lists all available threshold values which can be used to
2208 modify the sensitivity of the 2149 modify the sensitivity of the tap detection.
2209 2150
2210 What: /sys/.../events/in_accel_gest 2151 What: /sys/.../events/in_accel_gesture_singletap_reset_timeout
2211 What: /sys/.../events/in_accel_gest 2152 What: /sys/.../events/in_accel_gesture_doubletap_reset_timeout
2212 KernelVersion: 6.1 2153 KernelVersion: 6.1
2213 Contact: linux-iio@vger.kernel.org 2154 Contact: linux-iio@vger.kernel.org
2214 Description: 2155 Description:
2215 Specifies the timeout value i 2156 Specifies the timeout value in seconds for the tap detector
2216 to not to look for another ta 2157 to not to look for another tap event after the event as
2217 occurred. Basically the minim 2158 occurred. Basically the minimum quiet time between the two
2218 single-tap's or two double-ta 2159 single-tap's or two double-tap's.
2219 2160
2220 What: /sys/.../events/in_accel_gest 2161 What: /sys/.../events/in_accel_gesture_tap_reset_timeout_available
2221 KernelVersion: 6.1 2162 KernelVersion: 6.1
2222 Contact: linux-iio@vger.kernel.org 2163 Contact: linux-iio@vger.kernel.org
2223 Description: 2164 Description:
2224 Lists all available tap reset 2165 Lists all available tap reset timeout values. Units in seconds.
2225 2166
2226 What: /sys/.../events/in_accel_gest 2167 What: /sys/.../events/in_accel_gesture_doubletap_tap2_min_delay
2227 KernelVersion: 6.1 2168 KernelVersion: 6.1
2228 Contact: linux-iio@vger.kernel.org 2169 Contact: linux-iio@vger.kernel.org
2229 Description: 2170 Description:
2230 Specifies the minimum quiet t 2171 Specifies the minimum quiet time in seconds between the two
2231 taps of a double tap. 2172 taps of a double tap.
2232 2173
2233 What: /sys/.../events/in_accel_gest 2174 What: /sys/.../events/in_accel_gesture_doubletap_tap2_min_delay_available
2234 KernelVersion: 6.1 2175 KernelVersion: 6.1
2235 Contact: linux-iio@vger.kernel.org 2176 Contact: linux-iio@vger.kernel.org
2236 Description: 2177 Description:
2237 Lists all available delay val 2178 Lists all available delay values between two taps in the double
2238 tap. Units in seconds. 2179 tap. Units in seconds.
2239 2180
2240 What: /sys/.../events/in_accel_gest 2181 What: /sys/.../events/in_accel_gesture_tap_maxtomin_time
2241 KernelVersion: 6.1 2182 KernelVersion: 6.1
2242 Contact: linux-iio@vger.kernel.org 2183 Contact: linux-iio@vger.kernel.org
2243 Description: 2184 Description:
2244 Specifies the maximum time di 2185 Specifies the maximum time difference allowed between upper
2245 and lower peak of tap to cons 2186 and lower peak of tap to consider it as the valid tap event.
2246 Units in seconds. 2187 Units in seconds.
2247 2188
2248 What: /sys/.../events/in_accel_gest 2189 What: /sys/.../events/in_accel_gesture_tap_maxtomin_time_available
2249 KernelVersion: 6.1 2190 KernelVersion: 6.1
2250 Contact: linux-iio@vger.kernel.org 2191 Contact: linux-iio@vger.kernel.org
2251 Description: 2192 Description:
2252 Lists all available time valu 2193 Lists all available time values between upper peak to lower
2253 peak. Units in seconds. 2194 peak. Units in seconds.
2254 2195
2255 What: /sys/bus/iio/devices/iio:devi 2196 What: /sys/bus/iio/devices/iio:deviceX/in_rot_yaw_raw
2256 What: /sys/bus/iio/devices/iio:devi 2197 What: /sys/bus/iio/devices/iio:deviceX/in_rot_pitch_raw
2257 What: /sys/bus/iio/devices/iio:devi 2198 What: /sys/bus/iio/devices/iio:deviceX/in_rot_roll_raw
2258 KernelVersion: 6.1 2199 KernelVersion: 6.1
2259 Contact: linux-iio@vger.kernel.org 2200 Contact: linux-iio@vger.kernel.org
2260 Description: 2201 Description:
2261 Raw (unscaled) euler angles r 2202 Raw (unscaled) euler angles readings. Units after
2262 application of scale are deg. 2203 application of scale are deg.
2263 2204
2264 What: /sys/bus/iio/devices/iio:devi 2205 What: /sys/bus/iio/devices/iio:deviceX/serialnumber
2265 KernelVersion: 6.1 2206 KernelVersion: 6.1
2266 Contact: linux-iio@vger.kernel.org 2207 Contact: linux-iio@vger.kernel.org
2267 Description: 2208 Description:
2268 An example format is 16-bytes 2209 An example format is 16-bytes, 2-digits-per-byte, HEX-string
2269 representing the sensor uniqu 2210 representing the sensor unique ID number.
2270 2211
2271 What: /sys/.../events/in_proximity_ 2212 What: /sys/.../events/in_proximity_thresh_either_runningperiod
2272 KernelVersion: 6.6 2213 KernelVersion: 6.6
2273 Contact: linux-iio@vger.kernel.org 2214 Contact: linux-iio@vger.kernel.org
2274 Description: 2215 Description:
2275 A running period of time (in 2216 A running period of time (in seconds) for which
2276 in_proximity_thresh_either_ru 2217 in_proximity_thresh_either_runningcount amount of conditions
2277 must occur before an event is 2218 must occur before an event is generated. If direction is not
2278 specified then this period ap 2219 specified then this period applies to both directions.
2279 2220
2280 What: /sys/.../events/in_proximity_ 2221 What: /sys/.../events/in_proximity_thresh_either_runningcount
2281 KernelVersion: 6.6 2222 KernelVersion: 6.6
2282 Contact: linux-iio@vger.kernel.org 2223 Contact: linux-iio@vger.kernel.org
2283 Description: 2224 Description:
2284 Number of conditions that mus 2225 Number of conditions that must occur, during a running
2285 period, before an event is ge 2226 period, before an event is generated.
2286 2227
2287 What: /sys/bus/iio/devices/iio:devi 2228 What: /sys/bus/iio/devices/iio:deviceX/in_colortemp_raw
2288 KernelVersion: 6.7 2229 KernelVersion: 6.7
2289 Contact: linux-iio@vger.kernel.org 2230 Contact: linux-iio@vger.kernel.org
2290 Description: 2231 Description:
2291 Represents light color temper 2232 Represents light color temperature, which measures light color
2292 temperature in Kelvin. 2233 temperature in Kelvin.
2293 2234
2294 What: /sys/bus/iio/devices/iio:devi 2235 What: /sys/bus/iio/devices/iio:deviceX/in_chromaticity_x_raw
2295 What: /sys/bus/iio/devices/iio:devi 2236 What: /sys/bus/iio/devices/iio:deviceX/in_chromaticity_y_raw
2296 KernelVersion: 6.7 2237 KernelVersion: 6.7
2297 Contact: linux-iio@vger.kernel.org 2238 Contact: linux-iio@vger.kernel.org
2298 Description: 2239 Description:
2299 The x and y light color coord 2240 The x and y light color coordinate on the CIE 1931 chromaticity
2300 diagram. 2241 diagram.
2301 2242
2302 What: /sys/bus/iio/devices/iio:devi 2243 What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_mag_either_label
2303 What: /sys/bus/iio/devices/iio:devi 2244 What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_mag_rising_label
2304 What: /sys/bus/iio/devices/iio:devi 2245 What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_thresh_falling_label
2305 What: /sys/bus/iio/devices/iio:devi 2246 What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_thresh_rising_label
2306 What: /sys/bus/iio/devices/iio:devi 2247 What: /sys/bus/iio/devices/iio:deviceX/events/in_anglvelY_mag_rising_label
2307 What: /sys/bus/iio/devices/iio:devi 2248 What: /sys/bus/iio/devices/iio:deviceX/events/in_anglY_thresh_rising_label
2308 What: /sys/bus/iio/devices/iio:devi 2249 What: /sys/bus/iio/devices/iio:deviceX/events/in_phaseY_mag_rising_label
2309 KernelVersion: 6.7 2250 KernelVersion: 6.7
2310 Contact: linux-iio@vger.kernel.org 2251 Contact: linux-iio@vger.kernel.org
2311 Description: 2252 Description:
2312 Optional symbolic label to a 2253 Optional symbolic label to a device channel event.
2313 If a label is defined for thi 2254 If a label is defined for this event add that to the event
2314 specific attributes. This is 2255 specific attributes. This is useful for userspace to be able to
2315 better identify an individual 2256 better identify an individual event.
2316 <<
2317 What: /sys/.../events/in_accel_gest <<
2318 KernelVersion: 6.7 <<
2319 Contact: linux-iio@vger.kernel.org <<
2320 Description: <<
2321 Enable tap gesture confirmati <<
2322 <<
2323 What: /sys/.../events/in_accel_gest <<
2324 KernelVersion: 6.7 <<
2325 Contact: linux-iio@vger.kernel.org <<
2326 Description: <<
2327 Timeout value in seconds for <<
2328 <<
2329 What: /sys/.../events/in_accel_gest <<
2330 KernelVersion: 6.7 <<
2331 Contact: linux-iio@vger.kernel.org <<
2332 Description: <<
2333 List of available timeout val <<
2334 <<
2335 What: /sys/.../iio:deviceX/in_shunt <<
2336 What: /sys/.../iio:deviceX/in_curre <<
2337 What: /sys/.../iio:deviceX/in_power <<
2338 KernelVersion: 6.10 <<
2339 Contact: linux-iio@vger.kernel.org <<
2340 Description: <<
2341 The value of current sense re <<
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.