On Tue, 24 Sep 2013, Aaron Lu wrote: > locate handle for ACPI video by HID, the problem is, ACPI video node > doesn't really have HID defined(i.e. no _HID control method is defined ACPI video is supposed to attach a virtual HID node (ACPI_VIDEO_HID) to ACPI video devices so as to keep the non-trivial video device detection logic in just one place instead of reinventing the wheel in every driver (which is always a recipe for disaster). When did that break? -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- 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