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22 lines
432 B
Text
22 lines
432 B
Text
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2016 Intel Corp.
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*/
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#define PCI_OSC_UUID "33DB4D5B-1FF7-401C-9657-7441C03DD766"
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Scope (\_SB.PCI0) {
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Method (_OSC, 4) {
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/* Check for proper GUID */
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If (LEqual (Arg0, ToUUID (PCI_OSC_UUID))) {
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/* Let OS control everything */
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Return (Arg3)
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} Else {
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/* Unrecognized UUID */
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CreateDWordField (Arg3, 0, CDW1)
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Or (CDW1, 4, CDW1)
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Return (Arg3)
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}
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}
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}
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