[PATCH v3 4/4] thinkpad-acpi: fix handle locate for video and query of _BCL
Henrique de Moraes Holschuh
hmh at hmh.eng.br
Wed Sep 25 12:58:39 PDT 2013
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
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