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artix-install-script/programs/bashpower-g14/bashpower.start
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#!/usr/bin/env bash
# this bashpower script is intended for ASUS gaming laptops, 2020-2022
# it has only been tested on the 2020 Zephyrus G14 (GA401IV)
# kernel 5.17+ is required for full functionality
# place in /etc/local.d/ and use in conjunction with OpenRC for best results
# be sure to add the "local" service to the default runlevel for this script to function
# create config directory and set default settings
mkdir -p /usr/local/bashpower
#if [ ! -f /usr/local/bashpower/governor ] ; then
# echo powersave > /usr/local/bashpower/governor
#fi
if [ ! -f /usr/local/bashpower/batt_limit ] ; then
echo 80 > /usr/local/bashpower/batt_limit
fi
if [ ! -f /usr/local/bashpower/fan_curve ] ; then
echo '20:0 30:0 40:0 50:30 60:50 70:70 85:100 90:100' > /usr/local/bashpower/fan_curve
fi
if [ ! -f /usr/local/bashpower/screen_brightness ] ; then
echo 50 > /usr/local/bashpower/screen_brightness
fi
# import user settings
governor=$(< /usr/local/bashpower/governor)
batt_limit=$(< /usr/local/bashpower/batt_limit)
fan_curve=$(< /usr/local/bashpower/fan_curve)
screen_brightness=$(< /usr/local/bashpower/screen_brightness)
## on run:
# set cpu governor
#for CPU in $(seq 0 $(($(nproc) - 1))); do
# echo $governor > /sys/devices/system/cpu/cpu"$CPU"/cpufreq/scaling_governor
#done
# set keyboard backlight to off
echo 0 > /sys/class/leds/asus::kbd_backlight/brightness
# set screen brightness
echo $screen_brightness > /sys/class/backlight/amdgpu_bl0/brightness
# set battery charge limit
echo "$batt_limit" > /sys/class/power_supply/BAT0/charge_control_end_threshold
# set fan curve
curve_dir=$(ls /sys/devices/platform/asus-nb-wmi/hwmon | awk 'FNR == 2 {print}' | cut -c6-)
for POINT in $(seq 8); do
IFS=':' read -ra CURVE <<< "$(echo "$fan_curve" | awk -v var="$POINT" '{print $var;}')"
curve_temp=${CURVE[0]}
curve_speed=$(echo "${CURVE[1]} * 255 / 100" | bc)
echo $curve_temp > /sys/devices/platform/asus-nb-wmi/hwmon/hwmon"$curve_dir"/pwm1_auto_point"$POINT"_temp
echo $curve_temp > /sys/devices/platform/asus-nb-wmi/hwmon/hwmon"$curve_dir"/pwm2_auto_point"$POINT"_temp
echo $curve_speed > /sys/devices/platform/asus-nb-wmi/hwmon/hwmon"$curve_dir"/pwm1_auto_point"$POINT"_pwm
echo $curve_speed > /sys/devices/platform/asus-nb-wmi/hwmon/hwmon"$curve_dir"/pwm2_auto_point"$POINT"_pwm
done
echo 2 > /sys/devices/platform/asus-nb-wmi/throttle_thermal_policy # set to quiet profile
echo 2 > /sys/devices/platform/asus-nb-wmi/hwmon/hwmon$(($curve_dir - 1))/pwm1_enable # set to auto
echo 2 > /sys/devices/platform/asus-nb-wmi/hwmon/hwmon"$curve_dir"/pwm1_enable # set to auto to force update
echo 2 > /sys/devices/platform/asus-nb-wmi/hwmon/hwmon"$curve_dir"/pwm2_enable # set to auto to force update
sleep 2
echo 1 > /sys/devices/platform/asus-nb-wmi/hwmon/hwmon"$curve_dir"/pwm1_enable # set to manual
echo 1 > /sys/devices/platform/asus-nb-wmi/hwmon/hwmon"$curve_dir"/pwm2_enable # set to manual