Public bug reported:
Binary package hint: gnome-power-manager
When pressing the Fn+Home key combination on my lenovo Thinkpad T61
after resuming from standby, backlight changes take approx. 1-2 seconds
to apply. The GNOME brightness osd appears.
Using the command
echo 'up' > /proc/acpi/ibm/brightness
works flawless (changes immediately).
I was yet unable to figure out, which routine is called, when the key is
pressed, calling /etc/acpi/thinkpad-brightness-up/down.sh does not have
any affect.
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
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backlight problem after standby
https://bugs.launchpad.net/bugs/333179
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