[Bug 207473] Re: Screen brightness double level changes

[Sandro Mani]

As stated somewhere else, by renaming /etc/acpi/video_brightness<up/down>.sh or modifying their contents to e.g.
#!/bin/sh

test -f /usr/share/acpi-support/key-constants || exit 0

. /usr/share/acpi-support/key-constants
#acpi_fakekey $KEY_BRIGHTNESSUP

the screen brightness won't double-change anymore. However, what I notice is that when for instance reducing the brightness, it first goes to the minimum, and then immediately to the desired level. The same applies for increasing brightness: it first jumps to the maximum, and then to the desired level, what is not really healthy for the LCD backlight...  The change is usually so fast that one can hardly notice it.
If I use the brightness applet, everything works fine, except that the applets still states that it cannot get the panel brightness (though working fine!).

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Screen brightness double level changes
https://bugs.launchpad.net/bugs/207473
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