23 lines
586 B
Plaintext
23 lines
586 B
Plaintext
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi_osc.h>
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/*
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* Platform-Wide _OSC Operating System Capabilities
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*
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* Arg0: A Buffer containing a UUID
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* Arg1: An Integer containing a Revision ID of the buffer format
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* Arg2: An Integer containing a count of entries in Arg3
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* Arg3: A Buffer containing a list of DWORD capabilities
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*/
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Method (_OSC, 4, NotSerialized) {
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CreateDWordField (Arg3, 0, CDW1)
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If (Arg0 == ToUUID (OSC_SB_UUID)) {
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/* Don't mask any capability bits off. */
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Return (Arg3)
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} Else {
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CDW1 |= OSC_CDW1_UNRECOGNIZED_UUID
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Return (Arg3)
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}
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}
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