| Summary: | No ACPI device | ||
|---|---|---|---|
| Product: | xorg | Reporter: | andrew <sentieroscuro> |
| Component: | Driver/Radeon | Assignee: | xf86-video-ati maintainers <xorg-driver-ati> |
| Status: | RESOLVED NOTOURBUG | QA Contact: | Xorg Project Team <xorg-team> |
| Severity: | normal | ||
| Priority: | medium | ||
| Version: | unspecified | ||
| Hardware: | x86-64 (AMD64) | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
|
Description
andrew
2011-01-22 07:18:40 UTC
(In reply to comment #0) > Sorry for my english... > I installed Ubuntu 10.10 x64 on a MacBookPro 2,2 with Radeon Mobile X1600. > I try to change brightness of my screen but i discover that > /sys/class/blacklight is empty and there isnt /sys/class/lcd. That's an issue with acpi on your system. > I read the dmesg and i found this 2 lines: > > failed to evaluate ATIF got AE_BAD_PARAMETER > radeon 0000:01:00.0: Error during ACPI methods call You can ignore this. It's an acpi method used by the driver that's only available on some systems. > > is a bug of the driver? i look for it in internet but i dont find anything... The driver doesn't control the backlight natively. The backlight is handled via acpi methods as the way the backlight is wired up varies from oem to oem. It's not our bug, it's bug in the kernel or lack of support for your laptop |
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.