EEE-PC 4G user event handling

Presentation

A regular Linux distribution lacks full support of the Fn-Keys of the EEE-PC. I did this piece of software to correct this and add support to:

• Sound keys (Fn-F6 to F8);
• Internal/external display switching (Fn-F5);
• Display battery/AC adapter events.

It was succefully tested on EEE-PC 4G with Mandriva 2009 LXDE but it should work with other distribution.

Install

To install it, unpack every thing.

# tar xvfz eee_acpi-1.1.tgz

Copy executable to /usr/local/bin

# cp eee_acpi-1.0/eee_acpi /usr/local/bin

Create $HOME/.config/autostart/eee_acpi.desktop

[Desktop Entry]
Name=eee_acpi
Comment=EEE ACPI user events handling
Exec=eee_acpi
Terminal=false
StartupNotify=false

Restart X11.

How it works

eee_acpi connects to the /var/run/acpid.socket socket and monitor it for incoming events. It trigger a specific processing for these events:

• hotkey ATKD 00000013 : MUTE
• hotkey ATKD 00000014 : VOLUME DOWN
• hotkey ATKD 00000015 : VOLUME UP
• hotkey ATKD 00000050 : AC ADAPTER ON
• hotkey ATKD 00000051 : AC ADAPTER OFF
• hotkey ATKD 00000030 : DISPLAY SWITCHING
• battery BAT0 00000080 : BATTERY

Sound control is done through amixer with commands like:

amixer -c 0 set Master 6+

Display switching is done through xrandr with commands like:

xrandr --output VGA --off --output LVDS --auto

Notification is done through notify-send commands:

notify-send -i sound_section -t 500 "Sound control" "Mute"