Definition at line 57 of file adt Temperature boundaries are associated to temperature channels rather than PWM outputs, and a given PWM output can be controlled by several temperature channels. The ADTx samples all inputs continuously. Definition at line 58 of file adt Definition at line 76 of file adt
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linux command – sensors
Definition at line of file adt Linx has four 4 bit counters for measuring fan speed. Definition at line 41 of file adt Definition at line 84 of file adt Definition at line 49 of lonux adt Definition at line 94 of file adt Definition at line 91 of file adt Definition at line 58 of file adt Definition at line 55 of file adt Using an analog to digital converter it measures three 3 temperatures and two 2 or more voltages.
Definition at line 99 of file adt This feature can also be disabled for manual control of the PWM’s. Definition at line 95 of file adt Once configured, the ADTx will adjust the PWM outputs in response to the measured temperatures without further host intervention.
Linux source code: Documentation/hwmon/adt (v) – Bootlin
Definition at line 69 of file adt The datasheet is very detailed and describes a procedure for determining an optimal configuration for the automatic PWM control. Definition at line linuz of file adt All the supported chips will be collectively designed by the name “ADTx” in the rest of this document.
Definition at line 27 of file adt PWM values range from 0 off to full speed.
Temperature boundaries are associated to temperature channels rather than PWM outputs, and a given PWM output can be controlled by several temperature channels.
Definition at line 83 of file adt A sophisticated control system for the PWM outputs is designed into the ADTx that allows fan speed to ast7490 adjusted automatically based on any of the three temperature sensors.
Definition at line 54 of file adt Set the PWM speed at the lower temperature bound point2: Definition at line 42 of file adt Definition at line 57 of file adt As a result, the ADTx may compute more than one PWM value for a channel at a given time, in which case the maximum value fastest fan speed is applied.
Definition at line 34 of file adt Data Structures Macros Enumerations Functions.
CONFIG_SENSORS_ADT7475: Analog Devices ADT7473, ADT7475, ADT7476 and ADT7490
Definition at line 59 of file adt Unfortunately, they fail to set the i2c adapter class, so this driver may fail to adf7490 the chip until the nvidia driver is patched.
Definition at line 32 of file adt Definition at line 76 of file adt The driver will not read the registers more often than once every other second. Definition at line 61 of file adt