#!/bin/bash
#
# /etc/rc.local: Local multi-user startup script.
#
# remap caps-lock to escape
echo "keycode 58 = Escape" | loadkeys -q -

# powersaving according to powertop2
echo 0 > /proc/sys/kernel/nmi_watchdog
echo 1 > /sys/module/snd_hda_intel/parameters/power_save
echo 1 > /sys/devices/system/cpu/sched_mc_power_savings
echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
echo min_power > /sys/class/scsi_host/host0/link_power_management_policy

# enable powermanagement for usb devices
for f in $(find /sys/ -path */power/level)
do
  echo auto > "${f}"
done
unset f

# enable powermanagement for supported pci-devices
for f in /sys/devices/pci0000:00/0000:00:00.0/power /sys/devices/pci0000:00/0000:00:02.0/power /sys/devices/pci0000:00/0000:00:16.0/power /sys/devices/pci0000:00/0000:00:1a.0/power /sys/devices/pci0000:00/0000:00:1b.0/power /sys/devices/pci0000:00/0000:00:1c.0/power /sys/devices/pci0000:00/0000:00:1c.1/power /sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/power /sys/devices/pci0000:00/0000:00:1c.2/power /sys/devices/pci0000:00/0000:00:1c.2/0000:03:00.0/power /sys/devices/pci0000:00/0000:00:1c.5/power /sys/devices/pci0000:00/0000:00:1c.5/0000:08:00.0/power /sys/devices/pci0000:00/0000:00:1d.0/power /sys/devices/pci0000:00/0000:00:1f.2/power
do
  echo auto > "${f}/control"
done
unset f

# enable powermanagement for wlan
iwconfig wlan0 power on