This is most likely a bug in ASUS BIOS. Adding acpi_osi=Linux to boot parameters is a workaround. See https://bugzilla.kernel.org/show_bug.cgi?id=15182 for details.
> -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Micah Stetson > Sent: Friday, June 04, 2010 7:25 AM > To: Wang, Yong Y > Cc: meego-dev > Subject: Re: [MeeGo-dev] Backlight/ACPI issues on EeePC 1001P > > > Please update your BIOS to latest version first. One update is said to > > fix the brightness table. > > Thanks. I finally got around to testing this, and the BIOS update does fix > the > ordering of the brightness table. So now the 16 levels of brightness progress > smoothly from dark to light. The problem is that Moblin is still much dimmer > than Windows 7 on the same machine. > It doesn't matter whether I'm plugged in or not. > > Attached is a photo of two identical laptops (ASUS EeePC 1001P), both on > power with brightness turned to max. The one on the left is Windows 7 and > the one on the right Moblin 2.1. They both have 16 levels of brightness, but > Moblin's brightest is dimmer than Windows at half brightness. > > I'd appreciate any more direction you can offer. Thanks again, > > Micah _______________________________________________ MeeGo-dev mailing list [email protected] http://lists.meego.com/listinfo/meego-dev
