[Bug 48941] Error creating '/sys/class/backlight/radeon_bl' in radeon_atom_backlight_init()

https://bugzilla.kernel.org/show_bug.cgi?id=48941

Alex Deucher alexdeucher@gmail.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |alexdeucher@gmail.com

--- Comment #2 from Alex Deucher alexdeucher@gmail.com 2012-10-17 14:01:08 --- You have a hybrid laptop with with a mux to switch between the two GPUs. I suppose ideally we'd only create one bl device and switch control of it when the mux is switched. I'm not sure of the best way to do that off hand at the moment.