Comment 3 for bug 68391

J. Pulliainen, I have the same information under Dapper, nevertheless, brightness hotkeys works fine on my laptop (a V6J-X001P) :
$ lsmod | grep acpi
sony_acpi 5580 0
pcc_acpi 12416 0
dev_acpi 11236 0
asus_acpi 11476 0
acpi_sbs 20172 0
battery 9988 5 acpi_sbs
ac 5220 1 acpi_sbs
i2c_acpi_ec 5120 1 acpi_sbs
i2c_core 22848 2 i2c_acpi_ec,nvidia

$ cat /proc/acpi/asus/info
Asus Laptop ACPI Extras Driver 0.29
Model reference : M2E
SFUN value : 0x18f7
DSDT length : 33893
DSDT checksum : 26
DSDT revision : 1
OEM id : V6J00
OEM table id : V6J00005
OEM revision : 0x5
ASL comp vendor id : INTL
ASL comp revision : 0x2002026

This is the logs written in the /var/log/acpi when pressing the brightness up hotkey:
[Wed Nov 1 14:17:56 2006] received event "hotkey ATKD 0000001b 00000000"
[Wed Nov 1 14:17:56 2006] notifying client 4781[108:108]
[Wed Nov 1 14:17:56 2006] completed event "hotkey ATKD 0000001b 00000000"

and when pressing the brightness down:
[Wed Nov 1 14:19:10 2006] received event "hotkey ATKD 0000002a 00000000"
[Wed Nov 1 14:19:10 2006] notifying client 4781[108:108]
[Wed Nov 1 14:19:10 2006] completed event "hotkey ATKD 0000002a 00000000"