1 /* SPDX-License-Identifier: GPL-2.0-only */
3 #include <acpi/acpi_osc.h>
6 * Platform-Wide _OSC Operating System Capabilities
8 * Arg0: A Buffer containing a UUID
9 * Arg1: An Integer containing a Revision ID of the buffer format
10 * Arg2: An Integer containing a count of entries in Arg3
11 * Arg3: A Buffer containing a list of DWORD capabilities
13 Method (_OSC, 4, NotSerialized) {
14 CreateDWordField (Arg3, 0, CDW1)
15 If (Arg0 == ToUUID (OSC_SB_UUID)) {
16 /* Don't mask any capability bits off. */
19 CDW1 |= OSC_CDW1_UNRECOGNIZED_UUID