[Bug 571421] Re: brightness hotkeys not functional on Lenovo Ideapad u450p

[Ike Panhc]

Hi Dattatraya/Chris,

I just told that brightness key of ideapad works in Maverick. I test
with the ideapad B550 and it looks like the brightness is changed by
BIOS code, and ACPI backlight device get the notify and change the
brightness.

What I dont understand is why it does not work in lucid.

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brightness hotkeys not functional on Lenovo Ideapad u450p
https://bugs.launchpad.net/bugs/571421
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