https://bugzilla.kernel.org/show_bug.cgi?id=63941
--- Comment #5 from Nikolay Amiantov <nikoamia at gmail.com> --- Is there any way to trace ACPI calls and Intel card state (enabled or not) on Windows? It works there, so maybe I can get some information. 29.10.2013 17:32 ???????????? <bugzilla-daemon at bugzilla.kernel.org> ???????: > https://bugzilla.kernel.org/show_bug.cgi?id=63941 > > Alex Deucher <alexdeucher at gmail.com> changed: > > What |Removed |Added > > ---------------------------------------------------------------------------- > CC| |alexdeucher at gmail.com > > --- Comment #4 from Alex Deucher <alexdeucher at gmail.com> --- > The radeon driver should add a backlight control if the platform utilizes > the > GPU's backlight controller. If there is no radeon backlight interface, the > platform uses some OEM specific backlight control (probably Intel or > ACPI). I > suspect you will have to use the intel backlight control to control the > backlight. > > -- > You are receiving this mail because: > You are on the CC list for the bug. > You reported the bug. > -- You are receiving this mail because: You are watching the assignee of the bug.