ACPI issues: backlight keys

Hi, I'm currently running with the kernel parameter acpi=off as this is the only way I found to control the laptop's backlight with the keys while in console mode in the Framebuffer. How can I retain control over the backlight if ACPI is ON? Besides, as you can see from the logs below, I have al

ACPI issues: backlight keys, etc.

Hi, I'm currently running this laptop with acpi=off as this is the only way to control the backlight with the keys while in console mode in FB. Can I retain control over the backlight if ACPI is ON? When ACPI is ON the Fn keys have no effect. More here: http://comments.gmane.org/gmane.linux.acpi