On Mon, Feb 07, 2011 at 02:32:35PM -0700, Bjorn Helgaas wrote: > I'm not familiar with video devices, but I agree, this situation does > feel broken. Is it the case that there's a PCI device as well as an > ACPI namespace Device for the same piece of hardware? If so, I assume > the reason for the ACPI Device is to have a "standard" interface to > a platform knob like backlight control. > > In that case, it seems like we should rely on PCI for enumeration and > driver binding, have some sort of hook the PCI driver could use to > twiddle that knob (using the ACPI methods), and make the ACPI Device > ineligible for driver binding. In other words, it sounds like part > of the problem is that we have two drivers binding to what's really > a single piece of hardware. Part of the problem is that ACPI video devices aren't inherently PCI devices. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
