2009-04-16 11:37:38

by Maxim Levitsky

Subject: [BISECTED] [REGRESSION] "ACPI video: support _BQC/_BCL/_BCM methods that use index values" breaks ACPI video

I finally bisected a acpi video regression on my aspire 5720G

Reverting commit

"ACPI video: support _BQC/_BCL/_BCM methods that use index values"
commit 1a7c618a3f7bef1a20ae740df512eeba21397fa5.


Makes it work, otherwise /sys/class/backlight is empty, and I get error
messages when I press hardware keys to change brightness:

"ACPI: Failed to switch the brightness"


Best regards,
Maxim Levitsky

2009-04-17 00:46:31

by Zhao, Yakui

Subject: Re: [BISECTED] [REGRESSION] "ACPI video: support _BQC/_BCL/_BCM methods that use index values" breaks ACPI video

On Thu, 2009-04-16 at 19:37 +0800, Maxim Levitsky wrote:
> I finally bisected a acpi video regression on my aspire 5720G
>
> Reverting commit
>
> "ACPI video: support _BQC/_BCL/_BCM methods that use index values"
> commit 1a7c618a3f7bef1a20ae740df512eeba21397fa5.
>
>
> Makes it work, otherwise /sys/class/backlight is empty, and I get error
> messages when I press hardware keys to change brightness:
>
> "ACPI: Failed to switch the brightness"
Will you please file a new bug at
http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI
and attach the output of acpidump, dmidecode?

thanks.
>
>
> Best regards,
> Maxim Levitsky
>