--- zzzz-none-000/linux-3.10.107/Documentation/hwmon/w83792d 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/Documentation/hwmon/w83792d 2021-02-04 17:41:59.000000000 +0000 @@ -7,8 +7,8 @@ Addresses scanned: I2C 0x2c - 0x2f Datasheet: http://www.winbond.com.tw -Author: Chunhao Huang -Contact: DZShen +Author: Shane Huang (Winbond) +Updated: Roger Lucas Module Parameters @@ -39,9 +39,16 @@ The driver implements three temperature sensors, seven fan rotation speed sensors, nine voltage sensors, and two automatic fan regulation strategies called: Smart Fan I (Thermal Cruise mode) and Smart Fan II. -Automatic fan control mode is possible only for fan1-fan3. Fan4-fan7 can run -synchronized with selected fan (fan1-fan3). This functionality and manual PWM -control for fan4-fan7 is not yet implemented. + +The driver also implements up to seven fan control outputs: pwm1-7. Pwm1-7 +can be configured to PWM output or Analogue DC output via their associated +pwmX_mode. Outputs pwm4 through pwm7 may or may not be present depending on +how the W83792AD/D was configured by the BIOS. + +Automatic fan control mode is possible only for fan1-fan3. + +For all pwmX outputs, a value of 0 means minimum fan speed and a value of +255 means maximum fan speed. Temperatures are measured in degrees Celsius and measurement resolution is 1 degC for temp1 and 0.5 degC for temp2 and temp3. An alarm is triggered when @@ -158,14 +165,14 @@ /sys files ---------- -pwm[1-3] - this file stores PWM duty cycle or DC value (fan speed) in range: +pwm[1-7] - this file stores PWM duty cycle or DC value (fan speed) in range: 0 (stop) to 255 (full) pwm[1-3]_enable - this file controls mode of fan/temperature control: * 0 Disabled * 1 Manual mode * 2 Smart Fan II * 3 Thermal Cruise -pwm[1-3]_mode - Select PWM of DC mode +pwm[1-7]_mode - Select PWM or DC mode * 0 DC * 1 PWM thermal_cruise[1-3] - Selects the desired temperature for cruise (degC)