[Bug 1239346] Re: Acer TravelMate P273 SMB Fn keys not working

[Simon Xu]

And /sys/class/backlight is empty.

I tried to modprobe all backlight modules:

dpkg-query -L linux-image-extra-3.11.0-12-generic|grep backlight\/|sed 's/.*\///; s/\.ko//' > /tmp/1
for i in `cat /tmp/1`; do sudo modprobe $i; done

but /sys/class/backlight is still empty.

I also tried the xbacklight utility, it has no effect.

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https://bugs.launchpad.net/bugs/1239346

Title:
  Acer TravelMate P273 SMB Fn keys not working

Status in “acpi-support” package in Ubuntu:
  New

Bug description:
  Hardware: Acer Laptop (TravelMate P273 SMB)
  OS: Saucy amd64 desktop final beta

  The following Fn keys do not work 
  Fn + F3 (wifi switch)
  Fn + F7 (touchpad switch)
  Fn + left/right (adjust brightness)

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