[ltp] IBM_ACPI and Powersaved for SuSE 9.2

[Frank Fiene]

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Hey guys.

I've created a script for the powersaved in SuSE 9.2 and ibm-acpi 
module.

It is based on 
http://www.iiv.de/schwinde/buerger/tremmel/downloads/acpi_9.2/kaffeine0.4/acpi_hotkeys_ASUS_M6842NW 
from Manfred Tremmel and Stefan Seyfried and the scripts for acpid 
from morpheus here in the mailing list.

To enable own scipts in powersaved, i had to add the name of a script 
without path into the variable POWERSAVE_EVENTS_OTHER 
in /etc/sysconfig/powersave/events. For example ibm_acpi.sh.

I created the file ibm_acpi.sh in /usr/lib/powersave/scripts.

And this works for me. Any comments?

Regards, Frank.
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#!/bin/bash
# ibm_acpi.sh
# Frank Fiene
# Based on the scripts of Manfred Tremmel and Stefan Seyfried
#

echo "ibm_acpi $*"| \
    logger

# first get helper functions (e.g. DEBUG, load_scheme, ...)
. "/usr/lib/powersave/scripts/helper_functions"

PATH=/bin:/usr/bin:/sbin # be paranoid, we're running as root.
export PATH
ret=0
MYNAME=${0##*/} # basename $0
if [ $# -ne 3 ] ; then # something wicked happened
  DEBUG "something wicked happened. number of arguments: $#, arguments: '$*'" ERROR
  exit 1
fi

run_on_xserver() {
  get_x_user
  su $X_USER -c "export DISPLAY=$DISP;$1"
}

toggle_bluetooth() {
    if grep -q enabled /proc/acpi/ibm/bluetooth; then
        echo "Disable Bluetooth" | logger -t $MYNAME
        echo disable > /proc/acpi/ibm/bluetooth
        exit 0
    else
        echo "Enable Bluetooth" | logger -t $MYNAME
        echo enable > /proc/acpi/ibm/bluetooth
        exit 0
    fi
}

toggle_wlan() {
    if grep -q ath_pci /proc/modules; then
        echo "Disable WLAN" | logger -t $MYNAME
        modprobe -r ath_pci
        modprobe -r ath_hal
	modprobe -r ath_rate_onoe
        modprobe -r wlan
        exit 0
    else
        echo "Enable WLAN" | logger -t $MYNAME
        modprobe wlan
        modprobe ath_hal
        modprobe ath_pci
        exit 0
    fi
}

toggle_light() {
    RADEONTOOL='/usr/bin/radeontool'
    status=`$RADEONTOOL light|sed s/The\ radeon\ backlight\ looks\ //`;
    if [ "$status" = "on" ] ; then
        echo "Light off" | logger -t $MYNAME
        $RADEONTOOL light off
        exit 0
    elif [ "$status" = "off" ] ; then
        echo "Light on" | logger -t $MYNAME
        $RADEONTOOL light on
        exit 0
    fi
}

TYPE=$1
set $3 # powersaved gives us "other '<content of /proc/acpi/event>'" so we must split it.
EVENT=$1   # "ibm/hotkey"
ACPI=$2    # "HKEY"
WHAT=$3    # "00000080"
SERIAL=$4  # "0000100*" *=3,4,5,7,12

# it is easier to deal with numerical values (for me :-)
declare -i VAL
VAL=0x$SERIAL # hex -> decimal

  echo "VAL: '$VAL'"| \
    logger -t $MYNAME

if [ "$EVENT" != "ibm/hotkey" ]; then
  echo "non-hotkey-event: $TYPE $EVENT $ACPI $WHAT $SERIAL" | logger -t $MYNAME
  exit 0
fi

if [ $VAL -eq 4099 ]; then 
    toggle_light
elif [ $VAL -eq 4100 ]; then
    echo "Suspend to RAM" | logger -t $MYNAME
    echo 3 > /proc/acpi/sleep
    exit 0
elif [ $VAL -eq 4101 ]; then
    toggle_bluetooth
elif [ $VAL -eq 4103 ]; then
    toggle_wlan
elif [ $VAL -eq 4108 ]; then
    echo "Suspend to disk" | logger -t $MYNAME
    echo 4 > /proc/acpi/sleep
    exit 0
else
  DEBUG "undefined hotkey: $VAL $TYPE $EVENT $ACPI $WHAT $SERIAL" DIAG
  ret=1
fi

exit $ret

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