#!/bin/bash
#
# execute powertop tweaks
#

# VM-Rückschreibeteitlimit
echo 1500 > /proc/sys/vm/dirty_writeback_centisecs

# Audiocodec-Energieverwaltung einschalten
echo 1 > /sys/module/snd_hda_intel/parameters/power_save

# Enable SATA link power management for hostX
# max_performance => min_power
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 'min_power' > /sys/class/scsi_host/host2/link_power_management_policy
echo 'min_power' > /sys/class/scsi_host/host3/link_power_management_policy

# Automatische Bereitschaft für USB-Gerät Samsung Kiera [Samsung]
echo 'auto' > /sys/bus/usb/devices/1-4/power/control

# Automatische Bereitschaft für USB-Gerät Broadcom Bluetooth 2.1 Device [Broadcom Corp]
echo 'auto' > /sys/bus/usb/devices/4-2/power/control

# Runtime PM for I2C Adapter i2c-4 (i915 gmbus dpb)
echo 'auto' > /sys/bus/i2c/devices/i2c-4/device/power/control

# NMI-Watchdog sollte angeschalten werden
echo 0 > /proc/sys/kernel/nmi_watchdog