#!/bin/sh
[ -d /sys/devices/platform/hdaps ] && cat /etc/hdaps.calibration > /sys/devices/platform/hdaps/calibrate

[ -d /sys/devices/system/cpu/cpu0/cpufreq/ ] && {
        echo ondemand >/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
        echo ondemand >/sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
        echo 1 >/sys/devices/system/cpu/cpu0/cpufreq/ondemand/ignore_nice_load
        echo 5000000 > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate
}

# http://www.thinkwiki.org/wiki/How_to_reduce_power_consumption
echo 0 > /proc/sys/kernel/nmi_watchdog
echo 10 > /sys/module/snd_hda_intel/parameters/power_save
echo Y > /sys/module/snd_hda_intel/parameters/power_save_controller
amixer set CD mute nocap >&/dev/null
amixer set Mic mute nocap >&/dev/null
for i in /sys/bus/usb/devices/*/power/autosuspend; do echo 1 > $i; done
echo min_power > /sys/class/scsi_host/host0/link_power_management_policy
echo min_power > /sys/class/scsi_host/host1/link_power_management_policy
echo 5 > /proc/sys/vm/laptop_mode
echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
echo dvi_disable > /proc/acpi/ibm/video
echo crt_disable > /proc/acpi/ibm/video

echo disable > /proc/acpi/ibm/bluetooth

# powertop (I spotted the dups, it's sort of a log)
echo 5 > /sys/bus/pci/drivers/iwl3945/0000:03:00.0/power_level 
echo min_power > /sys/class/scsi_host/host0/link_power_management_policy
echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
ethtool -s eth0 wol d >&/dev/null
echo 5 > /proc/sys/vm/laptop_mode