Lines Matching +full:system +full:- +full:on +full:- +full:chips
5 through the sysfs interface. Since lm-sensors 3.0.0, libsensors is
6 completely chip-independent. It assumes that all the kernel drivers
10 This is a major improvement compared to lm-sensors 2.
12 Note that motherboards vary widely in the connections to sensor chips.
14 temperature sensor is connected to the CPU, or that the second fan is on
15 the CPU. Also, some values reported by the chips need some computation
16 before they make full sense. For example, most chips can only measure
22 For this reason, even if we aim at a chip-independent libsensors, it will
34 find all sensor chips, it is easier to follow the device symlinks from
37 Up to lm-sensors 3.0.0, libsensors looks for hardware monitoring attributes
38 in the "physical" device directory. Since lm-sensors 3.0.1, attributes found
40 (e.g. drivers for multifunction chips) may want to use this possibility to
48 types for sensor chips are "in" (voltage), "temp" (temperature) and
53 than once, even if there is a single element of the given type on the
57 Alarms are direct indications read from the chips. The drivers do NOT
61 to cause an alarm) is chip-dependent.
65 are interpreted as 0! For more on how written strings are interpreted see the
69 ----------------
76 -------------------------------------------------------------------------
79 `[0-*]` denotes any positive number starting from 0
80 `[1-*]` denotes any positive number starting from 1
86 Read/write values may be read-only for some chips, depending on the
92 See Documentation/ABI/testing/sysfs-class-hwmon for a complete description
104 within the system.
114 `in[0-*]_min`
117 `in[0-*]_lcrit`
120 `in[0-*]_max`
123 `in[0-*]_crit`
126 `in[0-*]_input`
129 `in[0-*]_average`
132 `in[0-*]_lowest`
135 `in[0-*]_highest`
138 `in[0-*]_reset_history`
144 `in[0-*]_label`
147 `in[0-*]_enable`
150 `cpu[0-*]_vid`
156 `in[0-*]_rated_min`
159 `in[0-*]_rated_max`
169 `fan[1-*]_min`
172 `fan[1-*]_max`
175 `fan[1-*]_input`
178 `fan[1-*]_div`
181 `fan[1-*]_pulses`
184 `fan[1-*]_target`
187 `fan[1-*]_label`
190 `fan[1-*]_enable`
200 `pwm[1-*]`
203 `pwm[1-*]_enable`
206 `pwm[1-*]_mode`
207 direct current or pulse-width modulation.
209 `pwm[1-*]_freq`
212 `pwm[1-*]_auto_channels_temp`
216 `pwm[1-*]_auto_point[1-*]_pwm` / `pwm[1-*]_auto_point[1-*]_temp` / `pwm[1-*]_auto_point[1-*]_temp_h…
219 `temp[1-*]_auto_point[1-*]_pwm` / `temp[1-*]_auto_point[1-*]_temp` / `temp[1-*]_auto_point[1-*]_tem…
236 `temp[1-*]_type`
239 `temp[1-*]_max`
242 `temp[1-*]_min`
245 `temp[1-*]_max_hyst`
248 `temp[1-*]_min_hyst`
251 `temp[1-*]_input`
254 `temp[1-*]_crit`
258 `temp[1-*]_crit_hyst`
261 `temp[1-*]_emergency`
262 Temperature emergency max value, for chips supporting more than
265 `temp[1-*]_emergency_hyst`
268 `temp[1-*]_lcrit`
272 `temp[1-*]_lcrit_hyst`
275 `temp[1-*]_offset`
279 `temp[1-*]_label`
282 `temp[1-*]_lowest`
285 `temp[1-*]_highest`
288 `temp[1-*]_reset_history`
294 `temp[1-*]_enable`
297 `temp[1-*]_rated_min`
300 `temp[1-*]_rated_max`
303 Some chips measure temperature using external thermistors and an ADC, and
307 must occur in user space. For these chips, all temp* files described
319 `curr[1-*]_max`
322 `curr[1-*]_min`
325 `curr[1-*]_lcrit`
328 `curr[1-*]_crit`
331 `curr[1-*]_input`
334 `curr[1-*]_average`
337 `curr[1-*]_lowest`
340 `curr[1-*]_highest`
343 `curr[1-*]_reset_history`
351 `curr[1-*]_enable`
354 `curr[1-*]_rated_min`
357 `curr[1-*]_rated_max`
366 `power[1-*]_average`
369 `power[1-*]_average_interval`
372 `power[1-*]_average_interval_max`
375 `power[1-*]_average_interval_min`
378 `power[1-*]_average_highest`
381 `power[1-*]_average_lowest`
384 `power[1-*]_average_max`
385 A poll notification is sent to `power[1-*]_average` when
388 `power[1-*]_average_min`
389 A poll notification is sent to `power[1-*]_average` when
392 `power[1-*]_input`
395 `power[1-*]_input_highest`
398 `power[1-*]_input_lowest`
401 `power[1-*]_reset_history`
405 `power[1-*]_accuracy`
408 `power[1-*]_cap`
410 system should take action to reduce power use.
412 `power[1-*]_cap_hyst`
415 `power[1-*]_cap_max`
418 `power[1-*]_cap_min`
421 `power[1-*]_max`
424 `power[1-*]_crit`
428 system is expected take drastic action to reduce
429 power consumption, such as a system shutdown or
436 `power[1-*]_enable`
440 -ENODATA.
442 - 1: Enable
443 - 0: Disable
447 `power[1-*]_rated_min`
454 `power[1-*]_rated_max`
467 `energy[1-*]_input`
474 `energy[1-*]_enable`
478 -ENODATA.
480 - 1: Enable
481 - 0: Disable
489 `humidity[1-*]_input`
492 `humidity[1-*]_enable`
495 `humidity[1-*]_rated_min`
498 `humidity[1-*]_rated_max`
508 Usually a given chip will either use channel-related alarms, or
509 limit-related alarms, not both. The driver should just reflect the hardware
512 +-------------------------------+-----------------------+
513 | **`in[0-*]_alarm`, | Channel alarm |
514 | `curr[1-*]_alarm`, | |
515 | `power[1-*]_alarm`, | - 0: no alarm |
516 | `fan[1-*]_alarm`, | - 1: alarm |
517 | `temp[1-*]_alarm`** | |
519 +-------------------------------+-----------------------+
523 +-------------------------------+-----------------------+
524 | **`in[0-*]_min_alarm`, | Limit alarm |
525 | `in[0-*]_max_alarm`, | |
526 | `in[0-*]_lcrit_alarm`, | - 0: no alarm |
527 | `in[0-*]_crit_alarm`, | - 1: alarm |
528 | `curr[1-*]_min_alarm`, | |
529 | `curr[1-*]_max_alarm`, | RO |
530 | `curr[1-*]_lcrit_alarm`, | |
531 | `curr[1-*]_crit_alarm`, | |
532 | `power[1-*]_cap_alarm`, | |
533 | `power[1-*]_max_alarm`, | |
534 | `power[1-*]_crit_alarm`, | |
535 | `fan[1-*]_min_alarm`, | |
536 | `fan[1-*]_max_alarm`, | |
537 | `temp[1-*]_min_alarm`, | |
538 | `temp[1-*]_max_alarm`, | |
539 | `temp[1-*]_lcrit_alarm`, | |
540 | `temp[1-*]_crit_alarm`, | |
541 | `temp[1-*]_emergency_alarm`** | |
542 +-------------------------------+-----------------------+
549 `fan[1-*]_fault` / `temp[1-*]_fault`
552 Some chips also offer the possibility to get beeped when an alarm occurs:
557 `in[0-*]_beep`, `curr[1-*]_beep`, `fan[1-*]_beep`, `temp[1-*]_beep`,
560 In theory, a chip could provide per-limit beep masking, but no such chip
563 Old drivers provided a different, non-standard interface to alarms and
578 `intrusion[0-*]_alarm`
581 `intrusion[0-*]_beep`
591 +--------------+---------------------------------------------------------------+
595 +--------------+---------------------------------------------------------------+
599 | temp_samples | Note that on some devices it won't be possible to set all of |
604 +--------------+---------------------------------------------------------------+
607 -------------------------------------
627 checked if its acceptable. Be careful with further conversions on the value
632 What to do if a value is found to be invalid, depends on the type of the
637 -EINVAL should be returned.
639 Example1, temp1_max, register is a signed 8 bit value (-128 - 127 degrees)::
642 v = clamp_val(v, -128, 127);
654 return -EINVAL;