[Bug 24153] Re: ACPI on ASUS L4500R doesn't work, the CPU frequency scaling works, battery and backlight switch don't

[MiloCasagrande]

Updated to beta, but still the same:
- booting with ACPI=OFF I can use the backlight and brightness switches
- else they don't work
Frequency always work.

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ACPI on ASUS L4500R doesn't work, the CPU frequency scaling works, battery and backlight switch don't
https://launchpad.net/bugs/24153