fan7

#!/bin/bash
 #This script is licensed under gplv2.1 
 #author: ovlx
for (( ; ; ))

do
FANENABLE=$(cat /sys/class/drm/card0/device/hwmon/hwmon*/fan1_enable)
            if [ "$FANENABLE" = "0" ]; then
                echo 1 | tee /sys/class/drm/card0/device/hwmon/hwmon*/fan1_enable
            fi
            
PWMOF=0 #Fan pwm Offset, moves curve up or down
AGR=80 #Curve aggression , lower values result in a more aggressive curve
ZRPM_TH=52 #zero rpm temp threshold

x=$(cat /sys/class/drm/card0/device/hwmon/hwmon*/temp1_input)
y=$((x*(x*20/$AGR)/7000000+$PWMOF))

            if [ "$y" -ge "255" ]; then
                y=255
            fi
            if [ "$x" -le "$((ZRPM_TH*1000))" ]; then
                y=0
            fi
echo "$y" | tee /sys/class/drm/card0/device/hwmon/hwmon*/pwm1

sleep 0.5s

done &