Created
December 6, 2012 16:57
-
-
Save cmavr8/4226019 to your computer and use it in GitHub Desktop.
Power optimization script for the Lenovo Ideapad Z370a
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/sh | |
# Power optimization script for the Lenovo Ideapad Z370a. Written by Chris Mavrakis (cmavr8@gmail.com). | |
# Place in /usr/lib/pm-utils/power.d and make executable. | |
case $1 in | |
false) # On AC power! | |
# Intel HD audio power management: | |
echo N > /sys/module/snd_hda_intel/parameters/power_save_controller | |
#echo 1 > /sys/module/snd_hda_intel/parameters/power_save | |
# Wifi high power mode: | |
iwconfig wlan0 txpower 19dbm | |
# VM Dirty writeback: If laptop tools doesnt take care of this, uncomment: | |
echo 500 > /proc/sys/vm/dirty_writeback_centisecs | |
;; | |
true) # On battery power! | |
# Intel HD audio power management: | |
echo Y > /sys/module/snd_hda_intel/parameters/power_save_controller | |
#echo 10 > /sys/module/snd_hda_intel/parameters/power_save | |
# Wifi low power mode: | |
iwconfig wlan0 txpower 0dbm | |
# VM Dirty writeback: If laptop tools doesnt take care of this, uncomment: | |
echo 1500 > /proc/sys/vm/dirty_writeback_centisecs | |
;; | |
esac |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment