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1What: /sys/bus/iio/devices/iio:deviceX
2KernelVersion: 2.6.35
3Contact: linux-iio@vger.kernel.org
4Description:
5 Hardware chip or device accessed by one communication port.
6 Corresponds to a grouping of sensor channels. X is the IIO
7 index of the device.
8
9What: /sys/bus/iio/devices/triggerX
10KernelVersion: 2.6.35
11Contact: linux-iio@vger.kernel.org
12Description:
13 An event driven driver of data capture to an in kernel buffer.
14 May be provided by a device driver that also has an IIO device
15 based on hardware generated events (e.g. data ready) or
16 provided by a separate driver for other hardware (e.g.
17 periodic timer, GPIO or high resolution timer).
18 Contains trigger type specific elements. These do not
19 generalize well and hence are not documented in this file.
20 X is the IIO index of the trigger.
21
22What: /sys/bus/iio/devices/iio:deviceX/buffer
23KernelVersion: 2.6.35
24Contact: linux-iio@vger.kernel.org
25Description:
26 Directory of attributes relating to the buffer for the device.
27
28What: /sys/bus/iio/devices/iio:deviceX/name
29KernelVersion: 2.6.35
30Contact: linux-iio@vger.kernel.org
31Description:
32 Description of the physical chip / device for device X.
33 Typically a part number.
34
35What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency
36What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency
37What: /sys/bus/iio/devices/triggerX/sampling_frequency
38KernelVersion: 2.6.35
39Contact: linux-iio@vger.kernel.org
40Description:
41 Some devices have internal clocks. This parameter sets the
42 resulting sampling frequency. In many devices this
43 parameter has an effect on input filters etc. rather than
44 simply controlling when the input is sampled. As this
45 effects data ready triggers, hardware buffers and the sysfs
46 direct access interfaces, it may be found in any of the
47 relevant directories. If it effects all of the above
48 then it is to be found in the base device directory.
49
50What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency_available
51What: /sys/.../iio:deviceX/buffer/sampling_frequency_available
52What: /sys/bus/iio/devices/triggerX/sampling_frequency_available
53KernelVersion: 2.6.35
54Contact: linux-iio@vger.kernel.org
55Description:
56 When the internal sampling clock can only take a small
57 discrete set of values, this file lists those available.
58
59What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio
60KernelVersion: 2.6.38
61Contact: linux-iio@vger.kernel.org
62Description:
63 Hardware dependent ADC oversampling. Controls the sampling ratio
64 of the digital filter if available.
65
66What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio_available
67KernelVersion: 2.6.38
68Contact: linux-iio@vger.kernel.org
69Description:
70 Hardware dependent values supported by the oversampling filter.
71
72What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_raw
73What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_raw
74KernelVersion: 2.6.35
75Contact: linux-iio@vger.kernel.org
76Description:
77 Raw (unscaled no bias removal etc.) voltage measurement from
78 channel Y. In special cases where the channel does not
79 correspond to externally available input one of the named
80 versions may be used. The number must always be specified and
81 unique to allow association with event codes. Units after
82 application of scale and offset are microvolts.
83
84What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_raw
85KernelVersion: 2.6.35
86Contact: linux-iio@vger.kernel.org
87Description:
88 Raw (unscaled) differential voltage measurement equivalent to
89 channel Y - channel Z where these channel numbers apply to the
90 physically equivalent inputs when non differential readings are
91 separately available. In differential only parts, then all that
92 is required is a consistent labeling. Units after application
93 of scale and offset are microvolts.
94
95What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceY_raw
96KernelVersion: 3.2
97Contact: linux-iio@vger.kernel.org
98Description:
99 Raw capacitance measurement from channel Y. Units after
100 application of scale and offset are nanofarads.
101
102What: /sys/.../iio:deviceX/in_capacitanceY-in_capacitanceZ_raw
103KernelVersion: 3.2
104Contact: linux-iio@vger.kernel.org
105Description:
106 Raw differential capacitance measurement equivalent to
107 channel Y - channel Z where these channel numbers apply to the
108 physically equivalent inputs when non differential readings are
109 separately available. In differential only parts, then all that
110 is required is a consistent labeling. Units after application
111 of scale and offset are nanofarads.
112
113What: /sys/bus/iio/devices/iio:deviceX/in_temp_raw
114What: /sys/bus/iio/devices/iio:deviceX/in_tempX_raw
115What: /sys/bus/iio/devices/iio:deviceX/in_temp_x_raw
116What: /sys/bus/iio/devices/iio:deviceX/in_temp_y_raw
117What: /sys/bus/iio/devices/iio:deviceX/in_temp_z_raw
118KernelVersion: 2.6.35
119Contact: linux-iio@vger.kernel.org
120Description:
121 Raw (unscaled no bias removal etc.) temperature measurement.
122 If an axis is specified it generally means that the temperature
123 sensor is associated with one part of a compound device (e.g.
124 a gyroscope axis). Units after application of scale and offset
125 are milli degrees Celsius.
126
127What: /sys/bus/iio/devices/iio:deviceX/in_tempX_input
128KernelVersion: 2.6.38
129Contact: linux-iio@vger.kernel.org
130Description:
131 Scaled temperature measurement in milli degrees Celsius.
132
133What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_raw
134What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_raw
135What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_raw
136KernelVersion: 2.6.35
137Contact: linux-iio@vger.kernel.org
138Description:
139 Acceleration in direction x, y or z (may be arbitrarily assigned
140 but should match other such assignments on device).
141 Has all of the equivalent parameters as per voltageY. Units
142 after application of scale and offset are m/s^2.
143
144What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw
145What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw
146What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw
147KernelVersion: 2.6.35
148Contact: linux-iio@vger.kernel.org
149Description:
150 Angular velocity about axis x, y or z (may be arbitrarily
151 assigned). Has all the equivalent parameters as per voltageY.
152 Units after application of scale and offset are radians per
153 second.
154
155What: /sys/bus/iio/devices/iio:deviceX/in_incli_x_raw
156What: /sys/bus/iio/devices/iio:deviceX/in_incli_y_raw
157What: /sys/bus/iio/devices/iio:deviceX/in_incli_z_raw
158KernelVersion: 2.6.35
159Contact: linux-iio@vger.kernel.org
160Description:
161 Inclination raw reading about axis x, y or z (may be
162 arbitrarily assigned). Data converted by application of offset
163 and scale to degrees.
164
165What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_raw
166What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_raw
167What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_raw
168KernelVersion: 2.6.35
169Contact: linux-iio@vger.kernel.org
170Description:
171 Magnetic field along axis x, y or z (may be arbitrarily
172 assigned). Data converted by application of offset
173 then scale to Gauss.
174
175What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_peak_raw
176What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_peak_raw
177What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_peak_raw
178KernelVersion: 2.6.36
179Contact: linux-iio@vger.kernel.org
180Description:
181 Highest value since some reset condition. These
182 attributes allow access to this and are otherwise
183 the direct equivalent of the <type>Y[_name]_raw attributes.
184
185What: /sys/bus/iio/devices/iio:deviceX/in_accel_xyz_squared_peak_raw
186KernelVersion: 2.6.36
187Contact: linux-iio@vger.kernel.org
188Description:
189 A computed peak value based on the sum squared magnitude of
190 the underlying value in the specified directions.
191
192What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_raw
193What: /sys/bus/iio/devices/iio:deviceX/in_pressure_raw
194KernelVersion: 3.8
195Contact: linux-iio@vger.kernel.org
196Description:
197 Raw pressure measurement from channel Y. Units after
198 application of scale and offset are kilopascal.
199
200What: /sys/bus/iio/devices/iio:deviceX/in_accel_offset
201What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_offset
202What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset
203What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_offset
204What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_offset
205What: /sys/bus/iio/devices/iio:deviceX/in_voltage_offset
206What: /sys/bus/iio/devices/iio:deviceX/in_tempY_offset
207What: /sys/bus/iio/devices/iio:deviceX/in_temp_offset
208What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_offset
209What: /sys/bus/iio/devices/iio:deviceX/in_pressure_offset
210KernelVersion: 2.6.35
211Contact: linux-iio@vger.kernel.org
212Description:
213 If known for a device, offset to be added to <type>[Y]_raw prior
214 to scaling by <type>[Y]_scale in order to obtain value in the
215 <type> units as specified in <type>[Y]_raw documentation.
216 Not present if the offset is always 0 or unknown. If Y or
217 axis <x|y|z> is not present, then the offset applies to all
218 in channels of <type>.
219 May be writable if a variable offset can be applied on the
220 device. Note that this is different to calibbias which
221 is for devices (or drivers) that apply offsets to compensate
222 for variation between different instances of the part, typically
223 adjusted by using some hardware supported calibration procedure.
224 Calibbias is applied internally, offset is applied in userspace
225 to the _raw output.
226
227What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale
228What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale
229What: /sys/bus/iio/devices/iio:deviceX/in_voltage_scale
230What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale
231What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale
232What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale
233What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale
234What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale
235What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale
236What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale
237What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale
238What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_scale
239What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_scale
240What: /sys/bus/iio/devices/iio:deviceX/in_pressure_scale
241KernelVersion: 2.6.35
242Contact: linux-iio@vger.kernel.org
243Description:
244 If known for a device, scale to be applied to <type>Y[_name]_raw
245 post addition of <type>[Y][_name]_offset in order to obtain the
246 measured value in <type> units as specified in
247 <type>[Y][_name]_raw documentation. If shared across all in
248 channels then Y and <x|y|z> are not present and the value is
249 called <type>[Y][_name]_scale. The peak modifier means this
250 value is applied to <type>Y[_name]_peak_raw values.
251
252What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibbias
253What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibbias
254What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibbias
255What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibbias
256What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibbias
257What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibbias
258What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibbias
259What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibbias
260What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibbias
261What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibbias
262KernelVersion: 2.6.35
263Contact: linux-iio@vger.kernel.org
264Description:
265 Hardware applied calibration offset (assumed to fix production
266 inaccuracies).
267
268What /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale
269What /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_calibscale
270What /sys/bus/iio/devices/iio:deviceX/in_voltage_calibscale
271What /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibscale
272What /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibscale
273What /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibscale
274What /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibscale
275What /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibscale
276What /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibscale
277what /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibscale
278what /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibscale
279What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibscale
280What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibscale
281KernelVersion: 2.6.35
282Contact: linux-iio@vger.kernel.org
283Description:
284 Hardware applied calibration scale factor (assumed to fix
285 production inaccuracies). If shared across all channels,
286 <type>_calibscale is used.
287
288What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available
289What: /sys/.../iio:deviceX/in_voltageX_scale_available
290What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available
291What: /sys/.../iio:deviceX/out_voltageX_scale_available
292What: /sys/.../iio:deviceX/out_altvoltageX_scale_available
293What: /sys/.../iio:deviceX/in_capacitance_scale_available
294What: /sys/.../iio:deviceX/in_pressure_scale_available
295What: /sys/.../iio:deviceX/in_pressureY_scale_available
296KernelVersion: 2.6.35
297Contact: linux-iio@vger.kernel.org
298Description:
299 If a discrete set of scale values is available, they
300 are listed in this attribute.
301
302What /sys/bus/iio/devices/iio:deviceX/out_voltageY_hardwaregain
303KernelVersion: 2.6.35
304Contact: linux-iio@vger.kernel.org
305Description:
306 Hardware applied gain factor. If shared across all channels,
307 <type>_hardwaregain is used.
308
309What: /sys/.../in_accel_filter_low_pass_3db_frequency
310What: /sys/.../in_magn_filter_low_pass_3db_frequency
311What: /sys/.../in_anglvel_filter_low_pass_3db_frequency
312KernelVersion: 3.2
313Contact: linux-iio@vger.kernel.org
314Description:
315 If a known or controllable low pass filter is applied
316 to the underlying data channel, then this parameter
317 gives the 3dB frequency of the filter in Hz.
318
319What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw
320What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw
321KernelVersion: 2.6.37
322Contact: linux-iio@vger.kernel.org
323Description:
324 Raw (unscaled, no bias etc.) output voltage for
325 channel Y. The number must always be specified and
326 unique if the output corresponds to a single channel.
327 While DAC like devices typically use out_voltage,
328 a continuous frequency generating device, such as
329 a DDS or PLL should use out_altvoltage.
330
331What: /sys/bus/iio/devices/iio:deviceX/out_voltageY&Z_raw
332What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY&Z_raw
333KernelVersion: 2.6.37
334Contact: linux-iio@vger.kernel.org
335Description:
336 Raw (unscaled, no bias etc.) output voltage for an aggregate of
337 channel Y, channel Z, etc. This interface is available in cases
338 where a single output sets the value for multiple channels
339 simultaneously.
340
341What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown_mode
342What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown_mode
343What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown_mode
344What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown_mode
345KernelVersion: 2.6.38
346Contact: linux-iio@vger.kernel.org
347Description:
348 Specifies the output powerdown mode.
349 DAC output stage is disconnected from the amplifier and
350 1kohm_to_gnd: connected to ground via an 1kOhm resistor,
351 6kohm_to_gnd: connected to ground via a 6kOhm resistor,
352 20kohm_to_gnd: connected to ground via a 20kOhm resistor,
353 100kohm_to_gnd: connected to ground via an 100kOhm resistor,
354 three_state: left floating.
355 For a list of available output power down options read
356 outX_powerdown_mode_available. If Y is not present the
357 mode is shared across all outputs.
358
359What: /sys/.../iio:deviceX/out_votlageY_powerdown_mode_available
360What: /sys/.../iio:deviceX/out_voltage_powerdown_mode_available
361What: /sys/.../iio:deviceX/out_altvotlageY_powerdown_mode_available
362What: /sys/.../iio:deviceX/out_altvoltage_powerdown_mode_available
363KernelVersion: 2.6.38
364Contact: linux-iio@vger.kernel.org
365Description:
366 Lists all available output power down modes.
367 If Y is not present the mode is shared across all outputs.
368
369What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown
370What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown
371What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown
372What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown
373KernelVersion: 2.6.38
374Contact: linux-iio@vger.kernel.org
375Description:
376 Writing 1 causes output Y to enter the power down mode specified
377 by the corresponding outY_powerdown_mode. DAC output stage is
378 disconnected from the amplifier. Clearing returns to normal
379 operation. Y may be suppressed if all outputs are controlled
380 together.
381
382What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency
383KernelVersion: 3.4.0
384Contact: linux-iio@vger.kernel.org
385Description:
386 Output frequency for channel Y in Hz. The number must always be
387 specified and unique if the output corresponds to a single
388 channel.
389
390What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_phase
391KernelVersion: 3.4.0
392Contact: linux-iio@vger.kernel.org
393Description:
394 Phase in radians of one frequency/clock output Y
395 (out_altvoltageY) relative to another frequency/clock output
396 (out_altvoltageZ) of the device X. The number must always be
397 specified and unique if the output corresponds to a single
398 channel.
399
400What: /sys/bus/iio/devices/iio:deviceX/events
401KernelVersion: 2.6.35
402Contact: linux-iio@vger.kernel.org
403Description:
404 Configuration of which hardware generated events are passed up
405 to user-space.
406
407What: /sys/.../iio:deviceX/events/in_accel_x_thresh_rising_en
408What: /sys/.../iio:deviceX/events/in_accel_x_thresh_falling_en
409What: /sys/.../iio:deviceX/events/in_accel_y_thresh_rising_en
410What: /sys/.../iio:deviceX/events/in_accel_y_thresh_falling_en
411What: /sys/.../iio:deviceX/events/in_accel_z_thresh_rising_en
412What: /sys/.../iio:deviceX/events/in_accel_z_thresh_falling_en
413What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_rising_en
414What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_falling_en
415What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_rising_en
416What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_falling_en
417What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_rising_en
418What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_falling_en
419What: /sys/.../iio:deviceX/events/in_magn_x_thresh_rising_en
420What: /sys/.../iio:deviceX/events/in_magn_x_thresh_falling_en
421What: /sys/.../iio:deviceX/events/in_magn_y_thresh_rising_en
422What: /sys/.../iio:deviceX/events/in_magn_y_thresh_falling_en
423What: /sys/.../iio:deviceX/events/in_magn_z_thresh_rising_en
424What: /sys/.../iio:deviceX/events/in_magn_z_thresh_falling_en
425What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_rising_en
426What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_falling_en
427What: /sys/.../iio:deviceX/events/in_voltageY_thresh_rising_en
428What: /sys/.../iio:deviceX/events/in_voltageY_thresh_falling_en
429What: /sys/.../iio:deviceX/events/in_tempY_thresh_rising_en
430What: /sys/.../iio:deviceX/events/in_tempY_thresh_falling_en
431KernelVersion: 2.6.37
432Contact: linux-iio@vger.kernel.org
433Description:
434 Event generated when channel passes a threshold in the specified
435 (_rising|_falling) direction. If the direction is not specified,
436 then either the device will report an event which ever direction
437 a single threshold value is passed in (e.g.
438 <type>[Y][_name]_<raw|input>_thresh_value) or
439 <type>[Y][_name]_<raw|input>_thresh_rising_value and
440 <type>[Y][_name]_<raw|input>_thresh_falling_value may take
441 different values, but the device can only enable both thresholds
442 or neither.
443 Note the driver will assume the last p events requested are
444 to be enabled where p is how many it supports (which may vary
445 depending on the exact set requested. So if you want to be
446 sure you have set what you think you have, check the contents of
447 these attributes after everything is configured. Drivers may
448 have to buffer any parameters so that they are consistent when
449 a given event type is enabled at a future point (and not those for
450 whatever event was previously enabled).
451
452What: /sys/.../iio:deviceX/events/in_accel_x_roc_rising_en
453What: /sys/.../iio:deviceX/events/in_accel_x_roc_falling_en
454What: /sys/.../iio:deviceX/events/in_accel_y_roc_rising_en
455What: /sys/.../iio:deviceX/events/in_accel_y_roc_falling_en
456What: /sys/.../iio:deviceX/events/in_accel_z_roc_rising_en
457What: /sys/.../iio:deviceX/events/in_accel_z_roc_falling_en
458What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_rising_en
459What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_falling_en
460What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_rising_en
461What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_falling_en
462What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_rising_en
463What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_falling_en
464What: /sys/.../iio:deviceX/events/in_magn_x_roc_rising_en
465What: /sys/.../iio:deviceX/events/in_magn_x_roc_falling_en
466What: /sys/.../iio:deviceX/events/in_magn_y_roc_rising_en
467What: /sys/.../iio:deviceX/events/in_magn_y_roc_falling_en
468What: /sys/.../iio:deviceX/events/in_magn_z_roc_rising_en
469What: /sys/.../iio:deviceX/events/in_magn_z_roc_falling_en
470What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_rising_en
471What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_falling_en
472What: /sys/.../iio:deviceX/events/in_voltageY_roc_rising_en
473What: /sys/.../iio:deviceX/events/in_voltageY_roc_falling_en
474What: /sys/.../iio:deviceX/events/in_tempY_roc_rising_en
475What: /sys/.../iio:deviceX/events/in_tempY_roc_falling_en
476KernelVersion: 2.6.37
477Contact: linux-iio@vger.kernel.org
478Description:
479 Event generated when channel passes a threshold on the rate of
480 change (1st differential) in the specified (_rising|_falling)
481 direction. If the direction is not specified, then either the
482 device will report an event which ever direction a single
483 threshold value is passed in (e.g.
484 <type>[Y][_name]_<raw|input>_roc_value) or
485 <type>[Y][_name]_<raw|input>_roc_rising_value and
486 <type>[Y][_name]_<raw|input>_roc_falling_value may take
487 different values, but the device can only enable both rate of
488 change thresholds or neither.
489 Note the driver will assume the last p events requested are
490 to be enabled where p is however many it supports (which may
491 vary depending on the exact set requested. So if you want to be
492 sure you have set what you think you have, check the contents of
493 these attributes after everything is configured. Drivers may
494 have to buffer any parameters so that they are consistent when
495 a given event type is enabled a future point (and not those for
496 whatever event was previously enabled).
497
498What: /sys/.../events/in_accel_x_raw_thresh_rising_value
499What: /sys/.../events/in_accel_x_raw_thresh_falling_value
500What: /sys/.../events/in_accel_y_raw_thresh_rising_value
501What: /sys/.../events/in_accel_y_raw_thresh_falling_value
502What: /sys/.../events/in_accel_z_raw_thresh_rising_value
503What: /sys/.../events/in_accel_z_raw_thresh_falling_value
504What: /sys/.../events/in_anglvel_x_raw_thresh_rising_value
505What: /sys/.../events/in_anglvel_x_raw_thresh_falling_value
506What: /sys/.../events/in_anglvel_y_raw_thresh_rising_value
507What: /sys/.../events/in_anglvel_y_raw_thresh_falling_value
508What: /sys/.../events/in_anglvel_z_raw_thresh_rising_value
509What: /sys/.../events/in_anglvel_z_raw_thresh_falling_value
510What: /sys/.../events/in_magn_x_raw_thresh_rising_value
511What: /sys/.../events/in_magn_x_raw_thresh_falling_value
512What: /sys/.../events/in_magn_y_raw_thresh_rising_value
513What: /sys/.../events/in_magn_y_raw_thresh_falling_value
514What: /sys/.../events/in_magn_z_raw_thresh_rising_value
515What: /sys/.../events/in_magn_z_raw_thresh_falling_value
516What: /sys/.../events/in_voltageY_supply_raw_thresh_rising_value
517What: /sys/.../events/in_voltageY_supply_raw_thresh_falling_value
518What: /sys/.../events/in_voltageY_raw_thresh_rising_value
519What: /sys/.../events/in_voltageY_raw_thresh_falling_value
520What: /sys/.../events/in_tempY_raw_thresh_rising_value
521What: /sys/.../events/in_tempY_raw_thresh_falling_value
522What: /sys/.../events/in_illuminance0_thresh_falling_value
523what: /sys/.../events/in_illuminance0_thresh_rising_value
524what: /sys/.../events/in_proximity0_thresh_falling_value
525what: /sys/.../events/in_proximity0_thresh_rising_value
526KernelVersion: 2.6.37
527Contact: linux-iio@vger.kernel.org
528Description:
529 Specifies the value of threshold that the device is comparing
530 against for the events enabled by
531 <type>Y[_name]_thresh[_rising|falling]_en.
532 If separate attributes exist for the two directions, but
533 direction is not specified for this attribute, then a single
534 threshold value applies to both directions.
535 The raw or input element of the name indicates whether the
536 value is in raw device units or in processed units (as _raw
537 and _input do on sysfs direct channel read attributes).
538
539What: /sys/.../events/in_accel_x_raw_roc_rising_value
540What: /sys/.../events/in_accel_x_raw_roc_falling_value
541What: /sys/.../events/in_accel_y_raw_roc_rising_value
542What: /sys/.../events/in_accel_y_raw_roc_falling_value
543What: /sys/.../events/in_accel_z_raw_roc_rising_value
544What: /sys/.../events/in_accel_z_raw_roc_falling_value
545What: /sys/.../events/in_anglvel_x_raw_roc_rising_value
546What: /sys/.../events/in_anglvel_x_raw_roc_falling_value
547What: /sys/.../events/in_anglvel_y_raw_roc_rising_value
548What: /sys/.../events/in_anglvel_y_raw_roc_falling_value
549What: /sys/.../events/in_anglvel_z_raw_roc_rising_value
550What: /sys/.../events/in_anglvel_z_raw_roc_falling_value
551What: /sys/.../events/in_magn_x_raw_roc_rising_value
552What: /sys/.../events/in_magn_x_raw_roc_falling_value
553What: /sys/.../events/in_magn_y_raw_roc_rising_value
554What: /sys/.../events/in_magn_y_raw_roc_falling_value
555What: /sys/.../events/in_magn_z_raw_roc_rising_value
556What: /sys/.../events/in_magn_z_raw_roc_falling_value
557What: /sys/.../events/in_voltageY_supply_raw_roc_rising_value
558What: /sys/.../events/in_voltageY_supply_raw_roc_falling_value
559What: /sys/.../events/in_voltageY_raw_roc_rising_value
560What: /sys/.../events/in_voltageY_raw_roc_falling_value
561What: /sys/.../events/in_tempY_raw_roc_rising_value
562What: /sys/.../events/in_tempY_raw_roc_falling_value
563KernelVersion: 2.6.37
564Contact: linux-iio@vger.kernel.org
565Description:
566 Specifies the value of rate of change threshold that the
567 device is comparing against for the events enabled by
568 <type>[Y][_name]_roc[_rising|falling]_en.
569 If separate attributes exist for the two directions,
570 but direction is not specified for this attribute,
571 then a single threshold value applies to both directions.
572 The raw or input element of the name indicates whether the
573 value is in raw device units or in processed units (as _raw
574 and _input do on sysfs direct channel read attributes).
575
576What: /sys/.../events/in_accel_x_thresh_rising_period
577What: /sys/.../events/in_accel_x_thresh_falling_period
578hat: /sys/.../events/in_accel_x_roc_rising_period
579What: /sys/.../events/in_accel_x_roc_falling_period
580What: /sys/.../events/in_accel_y_thresh_rising_period
581What: /sys/.../events/in_accel_y_thresh_falling_period
582What: /sys/.../events/in_accel_y_roc_rising_period
583What: /sys/.../events/in_accel_y_roc_falling_period
584What: /sys/.../events/in_accel_z_thresh_rising_period
585What: /sys/.../events/in_accel_z_thresh_falling_period
586What: /sys/.../events/in_accel_z_roc_rising_period
587What: /sys/.../events/in_accel_z_roc_falling_period
588What: /sys/.../events/in_anglvel_x_thresh_rising_period
589What: /sys/.../events/in_anglvel_x_thresh_falling_period
590What: /sys/.../events/in_anglvel_x_roc_rising_period
591What: /sys/.../events/in_anglvel_x_roc_falling_period
592What: /sys/.../events/in_anglvel_y_thresh_rising_period
593What: /sys/.../events/in_anglvel_y_thresh_falling_period
594What: /sys/.../events/in_anglvel_y_roc_rising_period
595What: /sys/.../events/in_anglvel_y_roc_falling_period
596What: /sys/.../events/in_anglvel_z_thresh_rising_period
597What: /sys/.../events/in_anglvel_z_thresh_falling_period
598What: /sys/.../events/in_anglvel_z_roc_rising_period
599What: /sys/.../events/in_anglvel_z_roc_falling_period
600What: /sys/.../events/in_magn_x_thresh_rising_period
601What: /sys/.../events/in_magn_x_thresh_falling_period
602What: /sys/.../events/in_magn_x_roc_rising_period
603What: /sys/.../events/in_magn_x_roc_falling_period
604What: /sys/.../events/in_magn_y_thresh_rising_period
605What: /sys/.../events/in_magn_y_thresh_falling_period
606What: /sys/.../events/in_magn_y_roc_rising_period
607What: /sys/.../events/in_magn_y_roc_falling_period
608What: /sys/.../events/in_magn_z_thresh_rising_period
609What: /sys/.../events/in_magn_z_thresh_falling_period
610What: /sys/.../events/in_magn_z_roc_rising_period
611What: /sys/.../events/in_magn_z_roc_falling_period
612What: /sys/.../events/in_voltageY_supply_thresh_rising_period
613What: /sys/.../events/in_voltageY_supply_thresh_falling_period
614What: /sys/.../events/in_voltageY_supply_roc_rising_period
615What: /sys/.../events/in_voltageY_supply_roc_falling_period
616What: /sys/.../events/in_voltageY_thresh_rising_period
617What: /sys/.../events/in_voltageY_thresh_falling_period
618What: /sys/.../events/in_voltageY_roc_rising_period
619What: /sys/.../events/in_voltageY_roc_falling_period
620What: /sys/.../events/in_tempY_thresh_rising_period
621What: /sys/.../events/in_tempY_thresh_falling_period
622What: /sys/.../events/in_tempY_roc_rising_period
623What: /sys/.../events/in_tempY_roc_falling_period
624What: /sys/.../events/in_accel_x&y&z_mag_falling_period
625What: /sys/.../events/in_intensity0_thresh_period
626What: /sys/.../events/in_proximity0_thresh_period
627KernelVersion: 2.6.37
628Contact: linux-iio@vger.kernel.org
629Description:
630 Period of time (in seconds) for which the condition must be
631 met before an event is generated. If direction is not
632 specified then this period applies to both directions.
633
634What: /sys/.../iio:deviceX/events/in_accel_mag_en
635What: /sys/.../iio:deviceX/events/in_accel_mag_rising_en
636What: /sys/.../iio:deviceX/events/in_accel_mag_falling_en
637What: /sys/.../iio:deviceX/events/in_accel_x_mag_en
638What: /sys/.../iio:deviceX/events/in_accel_x_mag_rising_en
639What: /sys/.../iio:deviceX/events/in_accel_x_mag_falling_en
640What: /sys/.../iio:deviceX/events/in_accel_y_mag_en
641What: /sys/.../iio:deviceX/events/in_accel_y_mag_rising_en
642What: /sys/.../iio:deviceX/events/in_accel_y_mag_falling_en
643What: /sys/.../iio:deviceX/events/in_accel_z_mag_en
644What: /sys/.../iio:deviceX/events/in_accel_z_mag_rising_en
645What: /sys/.../iio:deviceX/events/in_accel_z_mag_falling_en
646What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_rising_en
647What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_falling_en
648KernelVersion: 2.6.37
649Contact: linux-iio@vger.kernel.org
650Description:
651 Similar to in_accel_x_thresh[_rising|_falling]_en, but here the
652 magnitude of the channel is compared to the threshold, not its
653 signed value.
654
655What: /sys/.../events/in_accel_raw_mag_value
656What: /sys/.../events/in_accel_x_raw_mag_rising_value
657What: /sys/.../events/in_accel_y_raw_mag_rising_value
658What: /sys/.../events/in_accel_z_raw_mag_rising_value
659KernelVersion: 2.6.37
660Contact: linux-iio@vger.kernel.org
661Description:
662 The value to which the magnitude of the channel is compared. If
663 number or direction is not specified, applies to all channels of
664 this type.
665
666What: /sys/bus/iio/devices/iio:deviceX/trigger/current_trigger
667KernelVersion: 2.6.35
668Contact: linux-iio@vger.kernel.org
669Description:
670 The name of the trigger source being used, as per string given
671 in /sys/class/iio/triggerY/name.
672
673What: /sys/bus/iio/devices/iio:deviceX/buffer/length
674KernelVersion: 2.6.35
675Contact: linux-iio@vger.kernel.org
676Description:
677 Number of scans contained by the buffer.
678
679What: /sys/bus/iio/devices/iio:deviceX/buffer/bytes_per_datum
680KernelVersion: 2.6.37
681Contact: linux-iio@vger.kernel.org
682Description:
683 Bytes per scan. Due to alignment fun, the scan may be larger
684 than implied directly by the scan_element parameters.
685
686What: /sys/bus/iio/devices/iio:deviceX/buffer/enable
687KernelVersion: 2.6.35
688Contact: linux-iio@vger.kernel.org
689Description:
690 Actually start the buffer capture up. Will start trigger
691 if first device and appropriate.
692
693What: /sys/bus/iio/devices/iio:deviceX/buffer/scan_elements
694KernelVersion: 2.6.37
695Contact: linux-iio@vger.kernel.org
696Description:
697 Directory containing interfaces for elements that will be
698 captured for a single triggered sample set in the buffer.
699
700What: /sys/.../buffer/scan_elements/in_accel_x_en
701What: /sys/.../buffer/scan_elements/in_accel_y_en
702What: /sys/.../buffer/scan_elements/in_accel_z_en
703What: /sys/.../buffer/scan_elements/in_anglvel_x_en
704What: /sys/.../buffer/scan_elements/in_anglvel_y_en
705What: /sys/.../buffer/scan_elements/in_anglvel_z_en
706What: /sys/.../buffer/scan_elements/in_magn_x_en
707What: /sys/.../buffer/scan_elements/in_magn_y_en
708What: /sys/.../buffer/scan_elements/in_magn_z_en
709What: /sys/.../buffer/scan_elements/in_timestamp_en
710What: /sys/.../buffer/scan_elements/in_voltageY_supply_en
711What: /sys/.../buffer/scan_elements/in_voltageY_en
712What: /sys/.../buffer/scan_elements/in_voltageY-voltageZ_en
713What: /sys/.../buffer/scan_elements/in_incli_x_en
714What: /sys/.../buffer/scan_elements/in_incli_y_en
715What: /sys/.../buffer/scan_elements/in_pressureY_en
716What: /sys/.../buffer/scan_elements/in_pressure_en
717KernelVersion: 2.6.37
718Contact: linux-iio@vger.kernel.org
719Description:
720 Scan element control for triggered data capture.
721
722What: /sys/.../buffer/scan_elements/in_accel_type
723What: /sys/.../buffer/scan_elements/in_anglvel_type
724What: /sys/.../buffer/scan_elements/in_magn_type
725What: /sys/.../buffer/scan_elements/in_incli_type
726What: /sys/.../buffer/scan_elements/in_voltageY_type
727What: /sys/.../buffer/scan_elements/in_voltage_type
728What: /sys/.../buffer/scan_elements/in_voltageY_supply_type
729What: /sys/.../buffer/scan_elements/in_timestamp_type
730What: /sys/.../buffer/scan_elements/in_pressureY_type
731What: /sys/.../buffer/scan_elements/in_pressure_type
732KernelVersion: 2.6.37
733Contact: linux-iio@vger.kernel.org
734Description:
735 Description of the scan element data storage within the buffer
736 and hence the form in which it is read from user-space.
737 Form is [be|le]:[s|u]bits/storagebits[>>shift].
738 be or le specifies big or little endian. s or u specifies if
739 signed (2's complement) or unsigned. bits is the number of bits
740 of data and storagebits is the space (after padding) that it
741 occupies in the buffer. shift if specified, is the shift that
742 needs to be applied prior to masking out unused bits. Some
743 devices put their data in the middle of the transferred elements
744 with additional information on both sides. Note that some
745 devices will have additional information in the unused bits
746 so to get a clean value, the bits value must be used to mask
747 the buffer output value appropriately. The storagebits value
748 also specifies the data alignment. So s48/64>>2 will be a
749 signed 48 bit integer stored in a 64 bit location aligned to
750 a 64 bit boundary. To obtain the clean value, shift right 2
751 and apply a mask to zero the top 16 bits of the result.
752 For other storage combinations this attribute will be extended
753 appropriately.
754
755What: /sys/.../buffer/scan_elements/in_accel_type_available
756KernelVersion: 2.6.37
757Contact: linux-iio@vger.kernel.org
758Description:
759 If the type parameter can take one of a small set of values,
760 this attribute lists them.
761
762What: /sys/.../buffer/scan_elements/in_voltageY_index
763What: /sys/.../buffer/scan_elements/in_voltageY_supply_index
764What: /sys/.../buffer/scan_elements/in_accel_x_index
765What: /sys/.../buffer/scan_elements/in_accel_y_index
766What: /sys/.../buffer/scan_elements/in_accel_z_index
767What: /sys/.../buffer/scan_elements/in_anglvel_x_index
768What: /sys/.../buffer/scan_elements/in_anglvel_y_index
769What: /sys/.../buffer/scan_elements/in_anglvel_z_index
770What: /sys/.../buffer/scan_elements/in_magn_x_index
771What: /sys/.../buffer/scan_elements/in_magn_y_index
772What: /sys/.../buffer/scan_elements/in_magn_z_index
773What: /sys/.../buffer/scan_elements/in_incli_x_index
774What: /sys/.../buffer/scan_elements/in_incli_y_index
775What: /sys/.../buffer/scan_elements/in_timestamp_index
776What: /sys/.../buffer/scan_elements/in_pressureY_index
777What: /sys/.../buffer/scan_elements/in_pressure_index
778KernelVersion: 2.6.37
779Contact: linux-iio@vger.kernel.org
780Description:
781 A single positive integer specifying the position of this
782 scan element in the buffer. Note these are not dependent on
783 what is enabled and may not be contiguous. Thus for user-space
784 to establish the full layout these must be used in conjunction
785 with all _en attributes to establish which channels are present,
786 and the relevant _type attributes to establish the data storage
787 format.
788
789What: /sys/.../iio:deviceX/in_anglvel_z_quadrature_correction_raw
790KernelVersion: 2.6.38
791Contact: linux-iio@vger.kernel.org
792Description:
793 This attribute is used to read the amount of quadrature error
794 present in the device at a given time.
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-09 23:29:08 -0500