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95f09801 VK |
1 | /* |
2 | * sst_match_apci.c - SST (LPE) match for ACPI enumeration. | |
3 | * | |
4 | * Copyright (c) 2013-15, Intel Corporation. | |
5 | * | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms and conditions of the GNU General Public License, | |
9 | * version 2, as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope it will be useful, but WITHOUT | |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | * more details. | |
15 | */ | |
16 | #include <linux/acpi.h> | |
17 | #include <linux/device.h> | |
18 | #include <linux/module.h> | |
19 | #include <linux/platform_device.h> | |
20 | ||
21 | #include "sst-acpi.h" | |
22 | ||
23 | static acpi_status sst_acpi_mach_match(acpi_handle handle, u32 level, | |
24 | void *context, void **ret) | |
25 | { | |
26 | *(bool *)context = true; | |
27 | return AE_OK; | |
28 | } | |
29 | ||
30 | struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines) | |
31 | { | |
32 | struct sst_acpi_mach *mach; | |
33 | bool found = false; | |
34 | ||
35 | for (mach = machines; mach->id[0]; mach++) | |
36 | if (ACPI_SUCCESS(acpi_get_devices(mach->id, | |
37 | sst_acpi_mach_match, | |
38 | &found, NULL)) && found) | |
39 | return mach; | |
40 | ||
41 | return NULL; | |
42 | } | |
43 | EXPORT_SYMBOL_GPL(sst_acpi_find_machine); | |
8ceffd22 VK |
44 | |
45 | MODULE_LICENSE("GPL v2"); | |
46 | MODULE_DESCRIPTION("Intel Common ACPI Match module"); |