====== Linux Laptop ======
===== Lenovo w540 =====
==== Touchpad ====
Tapping aktivieren
<code>
/etc/X11/xorg.conf.d/40-libinput.conf

Section "InputClass"
        Identifier "libinput touchpad catchall"
        MatchIsTouchpad "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
        Option "Tapping" "on"
EndSection
</code>
==== Sondertasten Fn ====
==== Lautstärke regeln ====
Mit Fn + F1 lauter
<code>
/home/user/.config/openbox/rc.xml

    <keybind key="XF86AudioRaiseVolume">
     <action name="Execute">
       <command>/home/user/bin/vol_up.sh</command>
     </action>
    </keybind>
</code>    
<code>
/home/user/bin/vol_up.sh

amixer set Master 2%+ >/dev/null
VOLUME=`amixer get Master | sed -ne '/%/s/.*\[\(.*\)%\].*/\1/p'`
osd_cat --colour=Green -f '-adobe-*-*-r-*-*-*-240-*-*-*-*-*-*' -p bottom -A center -o 100 -d 1 -b percentage -P $VOLUME -T "Volume $VOLUME%"
</code>
Mit Fn + F2 leiser
<code>
/home/user/.config/openbox/rc.xml

    <keybind key="XF86AudioLowerVolume">
     <action name="Execute">
       <command>/home/user/bin/vol_down.sh</command>
     </action>
    </keybind>
</code>
<code>
/home/user/bin/vol_down.sh

amixer set Master 2%- >/dev/null
VOLUME=`amixer get Master | sed -ne '/%/s/.*\[\(.*\)%\].*/\1/p'`
osd_cat --colour=Green -f '-adobe-*-*-r-*-*-*-240-*-*-*-*-*-*' -p bottom -A center -o 100 -d 1 -b percentage -P $VOLUME -T "Volume $VOLUME%"
</code>
=== Bildschirm Helligkeit steuern ===
Mit Fn + F5 Bildschirm heller
<code>
/home/user/bin/brightness_up.sh

act_br=`cat /sys/class/backlight/intel_backlight/actual_brightness`
max_br=`cat /sys/class/backlight/intel_backlight/max_brightness`
new_br=$((act_br+51))
echo $new_br | sudo tee /sys/class/backlight/intel_backlight/brightness >/dev/null
br=$((act_br*100/max_br))
osd_cat --colour=Green -f '-adobe-*-*-r-*-*-*-240-*-*-*-*-*-*' -p bottom -A center -o 100 -d 1 -b percentage -P $br -T "Brightness $br%"
</code>
Mit Fn + F6 Bildschirm dunkler
<code>
/home/user/bin/brightness_down.sh

act_br=`cat /sys/class/backlight/intel_backlight/actual_brightness`
max_br=`cat /sys/class/backlight/intel_backlight/max_brightness`
new_br=$((act_br-51))
echo $new_br | sudo tee /sys/class/backlight/intel_backlight/brightness >/dev/null
br=$((act_br*100/max_br))
osd_cat --colour=Green -f '-adobe-*-*-r-*-*-*-240-*-*-*-*-*-*' -p bottom -A center -o 100 -d 1 -b percentage -P $br -T "Brightness $br%"
</code>
==== ACPI Steuerung ====
Unter /proc/acpi/ibm/ sind Dateien zum lesen und schreiben die Teile des Laptops steuern.
<code>
root> ls -l /proc/acpi/ibm/
-rw-r--r-- 1 root root 0 Sep  9 12:07 beep
-rw-r--r-- 1 root root 0 Sep  9 12:07 bluetooth
-rw-r--r-- 1 root root 0 Sep  9 12:07 cmos
-r--r--r-- 1 root root 0 Sep  9 12:07 driver
-rw-r--r-- 1 root root 0 Sep  9 12:07 fan
-rw-r--r-- 1 root root 0 Sep  9 12:07 hotkey
-rw-r--r-- 1 root root 0 Sep  9 12:07 kbdlight
-rw-r--r-- 1 root root 0 Sep  9 12:07 led
-rw-r--r-- 1 root root 0 Sep  9 12:07 light
-rw------- 1 root root 0 Sep  9 12:07 video
-rw-r--r-- 1 root root 0 Sep  9 12:07 volume
</code>
Lüfter abfragen
<code>
cat /proc/acpi/ibm/fan 
status:         enabled
speed:          1639
level:          auto
</code>
Lüfter steuern
<code>
echo "options thinkpad_acpi fan_control=1" > /etc/modprobe.d/thinkpad_acpi.conf
</code>
<code>
echo level 0 > /proc/acpi/ibm/fan       # fan off
echo level <1-7> > /proc/acpi/ibm/fan   # fan speed 1-7
echo level auto > /proc/acpi/ibm/fan
</code>

Tastaturbeleuchtung steuern
<code>
root> echo 1 > /proc/acpi/ibm/kbdlight
-> Tastaturbeleuchtung mittlere Helligkeit

root> echo 2 > /proc/acpi/ibm/kbdlight
-> Tastaturbeleuchtung hohe Helligkeit

root> echo 0 > /proc/acpi/ibm/kbdlight
-> Tastaturbeleuchtung aus
</code>
Einschaltknopf LED steuern
<code>
root> echo "0 blink" > /proc/acpi/ibm/led
-> LED blinken lassen

root> echo "0 off" > /proc/acpi/ibm/led
-> LED ausschalten

root> echo "0 on" > /proc/acpi/ibm/led
-> LED einschalten
</code>