58 lines
1.4 KiB
Bash
Executable File
58 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# powerdown - powerup
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#
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if [[ $EUID != 0 ]]; then
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echo "[powerdown] must be run as root"
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exit 1
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fi
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source $( dirname "${BASH_SOURCE[0]}" )/../lib/powerdown-functions
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lock
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# bus
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for i in /sys/bus/*/devices/*/power/control; do opt "$i" on; done
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# usb autosuspend
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for i in /sys/bus/usb/devices/*/power/autosuspend; do opt "$i" 600; done
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for i in /sys/bus/usb/devices/*/power/control; do opt "$i" on; done
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# nmi_watchdog
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opt /proc/sys/kernel/nmi_watchdog 1
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# cpu
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for i in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do opt "$i" performance; done
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# kernel write mode
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opt /proc/sys/vm/laptop_mode 0
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opt /proc/sys/vm/dirty_ratio 20
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opt /proc/sys/vm/dirty_background_ratio 10
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opt /proc/sys/vm/dirty_expire_centisecs 3000
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opt /proc/sys/vm/dirty_writeback_centisecs 500
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# disk
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for i in /sys/class/scsi_host/host*/link_power_management_policy; do opt "$i" medium_power; done
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hdparm -y /dev/sda
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# sound card
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opt /sys/module/snd_hda_intel/parameters/power_save 0
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opt /sys/module/snd_hda_intel/parameters/power_save_controller Y
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# net
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for i in $(iw dev | awk '$1 == "Interface" { print $2 }'); do run iw dev "$i" set power_save off; done
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# screen
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for i in /sys/class/backlight/*; do opt "$i/brightness" "$(num_scale "$i/max_brightness" 5 )"; done
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# webcam
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load_mod videodev
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# bluetooth
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load_mod bluetooth
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# i915
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#opt /sys/module/i915/parameters/i915_enable_rc6 0
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exit 0
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