[ubuntu] Toshiba AC 100 and Ubuntu 12.04 LTS

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http://ubuntuforums.org – Hi, I changed from Ubuntu 11.10 to 12.04 by using the instructions on https://wiki.ubuntu.com/ARM/TEGRA/AC100. On 11.10 I could change the backlight without root privileges. With Quote: echo -n 40 > /sys/class/backlight/pwm-backlight/brightness and a 99-backlight-permissions.rules file. http://ac100.grandou.net/backlightcontrol This is not working with 12.04. How can I fix that? Under "Known issues" is nothing listet exept non graphic support. Does that mean flash, sound, encryption is also not working with 12.04? Or should I (Hardware)