mirror of
https://github.com/pentoo/pentoo-overlay
synced 2025-12-24 17:23:55 +01:00
79 lines
2.2 KiB
Bash
79 lines
2.2 KiB
Bash
#!/bin/sh
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# /etc/acpi/default.sh
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# Default acpi script that takes an entry for all actions
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set $*
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group=${1%%/*}
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action=${1#*/}
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device=$2
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id=$3
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value=$4
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log_unhandled() {
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logger "ACPI event unhandled: $*"
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}
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case "$group" in
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button)
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case "$action" in
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power)
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/sbin/init 0
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;;
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# if your laptop doesnt turn on/off the display via hardware
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# switch and instead just generates an acpi event, you can force
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# X to turn off the display via dpms. note you will have to run
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# 'xhost +local:0' so root can access the X DISPLAY.
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#lid)
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# xset dpms force off
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# ;;
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*) log_unhandled $* ;;
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esac
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;;
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ac_adapter)
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case "$value" in
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# Add code here to handle when the system is unplugged
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# (maybe change cpu scaling to powersave mode). For
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# multicore systems, make sure you set powersave mode
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# for each core!
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*0)
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#intel pstates uses powersave but that's min freq for other intel so detect if ondemand is supported first
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if grep -q 'ondemand' /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors; then
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lowpower='ondemand'
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elif grep -q 'powersave' /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors; then
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lowpower='powersave'
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else
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lowpower=""
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fi
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if [ -n "${lowpower}" ]; then
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for CPU in $(ls /sys/devices/system/cpu/|grep -E "cpu[0-9]+"); do
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echo "${lowpower}" > /sys/devices/system/cpu/${CPU}/cpufreq/scaling_governor
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done
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fi
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for controller in $(ls /sys/class/scsi_host/|grep -E "host[0-9]+"); do
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echo min_power > /sys/class/scsi_host/${controller}/link_power_management_policy
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done
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;;
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# Add code here to handle when the system is plugged in
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# (maybe change cpu scaling to performance mode). For
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# multicore systems, make sure you set performance mode
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# for each core!
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*1)
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for CPU in $(ls /sys/devices/system/cpu/|grep -E "cpu[0-9]+"); do
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echo performance > /sys/devices/system/cpu/${CPU}/cpufreq/scaling_governor
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done
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for controller in $(ls /sys/class/scsi_host/|grep -E "host[0-9]+"); do
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echo max_performance > /sys/class/scsi_host/${controller}/link_power_management_policy
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done
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;;
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*) log_unhandled $* ;;
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esac
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;;
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*) log_unhandled $* ;;
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esac
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