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Asus N82j, U80, UL30 Series; Touchpad auschalten unter Ubuntu 10.04

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Das für mich als Merkhilfe und eventuell Suchende: Wer sein Touchpad unter Ubuntu via Hotkey abschalten möchte und im Besitz eines neueren Asus-Notebooks ist, wird hier endlich fündig: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/418282 (für mich hat folgender Workaround zuverlässig funktioniert):

This problem is also valid for the ASUS UL30A. The touchpad is seen as an “ImPS/2 Logitech Wheel Mouse”. See in dmesg and by the command “xinput list”. I am using Ubuntu 9.10.

To disable the touchpad the following command can be used:

xinput set-int-prop “ImPS/2 Logitech Wheel Mouse” “Device Enabled” 8 0

To enable use:

xinput set-int-prop “ImPS/2 Logitech Wheel Mouse” “Device Enabled” 8 1

To make the F9 working I did the following:

1. As the F9 does not generate a keycode but an acpi event you cannot assign just a keycode to a script. So I first checked the generated event hotkey code using:
sudo acpi_listen
and pressed F9. This gives 0000006b as event hotkey code.
2. In /etc/acpi/events there is an asus-touchpad event file. This is using the wrong code so I changed it.
3. The script /etc/acpi/assus-touchpad.sh is not correct for this touchpad so I changed it (see attached script)
4. Now send the acpid a SIGHUP signal (or reboot) and the F9 button toggles your touchpad an or off.

Danach kann man via FN + F9 wieder wie gewohnt das Touchpad an- und abschalten.

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