OS: Mint Maya (Based on 12.04)
Machine: Sager NP9170 (Clevo P170EM)
Brightness Down: Fn + F8 key
Brightness Up: Fn + F9 key
Output from grep mentioned above:
$ grep IGDM DSDT.dsl
OperationRegion (IGDM, SystemMemory, ASLB, 0x2000)
Field (IGDM, AnyAcc, NoLock, Preserve)
I applied the .conf file above with the commands specified, rebooted and
the brightness keys still didn't work. Please let me know if there is
any more information I can provide.
** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/806032/+attachment/3238821/+files/acpidump.txt
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https://bugs.launchpad.net/bugs/806032
Title:
Fn + F[89] does not work for controlling brightness on Clevo laptops
(B7130, W150HRM)
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