[Raring][Quantal SRU] ACPI video: ignore BIOS initial backlight value

[Brad Figg]

On 06/04/2013 02:48 AM, Alex Hung wrote:
> SRU Justification:
> 
> Impact:
> ACPI VGA driver reads from BIOS's _BQC during initialization and use it 
> to set the brightness; however, some BIOS returns zero when it boots, 
> and causes complete dark on LCD panel.
> 
> Fix:
> The patch fix the bug by skipping the _BQC value and set the brightness 
> to maximum.
> 
> 
> BugLink: http://bugs.launchpad.net/bugs/1167760
> 

Alex,

I'd like to see you go ahead and submit this to the upstream stable mailing
list and we will pull the patches in that way.

Thanks,
Brad
-- 
Brad Figg brad.figg at canonical.com http://www.canonical.com