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acpid: slide in a small update to out policy to support older devices better

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Rick Farina (Zero_Chaos) 2020-02-20 12:01:54 -05:00
parent c6eff57c38
commit eb9decb8ec
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1 changed files with 13 additions and 3 deletions
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sys-power/acpid/files/acpid-pentoo-1.0.6-default.sh
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@ -40,9 +40,19 @@ case "$group" in
# multicore systems, make sure you set powersave mode
# for each core!
*0)
for CPU in $(ls /sys/devices/system/cpu/|grep -E "cpu[0-9]+"); do
echo powersave > /sys/devices/system/cpu/${CPU}/cpufreq/scaling_governor
done
#intel pstates uses powersave but that's min freq for other intel so detect if ondemand is supported first
if grep -q 'ondemand' /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors; then
lowpower='ondemand'
elif grep -q 'powersave' /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors; then
lowpower='powersave'
else
lowpower=""
fi
if [ -n "${lowpower}" ]; then
for CPU in $(ls /sys/devices/system/cpu/|grep -E "cpu[0-9]+"); do
echo "${lowpower}" > /sys/devices/system/cpu/${CPU}/cpufreq/scaling_governor
done
fi
for controller in $(ls /sys/class/scsi_host/|grep -E "host[0-9]+"); do
echo min_power > /sys/class/scsi_host/${controller}/link_power_management_policy
done