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1 | /* |
2 | * Copyright 2014 Red Hat Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Authors: Ben Skeggs | |
23 | */ | |
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24 | #include "acpi.h" |
25 | ||
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26 | #include <core/device.h> |
27 | ||
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28 | #ifdef CONFIG_ACPI |
29 | static int | |
30 | nvkm_acpi_ntfy(struct notifier_block *nb, unsigned long val, void *data) | |
31 | { | |
9719047b | 32 | struct nvkm_device *device = |
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33 | container_of(nb, typeof(*device), acpi.nb); |
34 | struct acpi_bus_event *info = data; | |
35 | ||
36 | if (!strcmp(info->device_class, "ac_adapter")) | |
79ca2770 | 37 | nvkm_event_send(&device->event, 1, 0, NULL, 0); |
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38 | |
39 | return NOTIFY_DONE; | |
40 | } | |
41 | #endif | |
42 | ||
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43 | void |
44 | nvkm_acpi_fini(struct nvkm_device *device) | |
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45 | { |
46 | #ifdef CONFIG_ACPI | |
47 | unregister_acpi_notifier(&device->acpi.nb); | |
48 | #endif | |
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49 | } |
50 | ||
6cf813fb | 51 | void |
9719047b | 52 | nvkm_acpi_init(struct nvkm_device *device) |
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53 | { |
54 | #ifdef CONFIG_ACPI | |
55 | device->acpi.nb.notifier_call = nvkm_acpi_ntfy; | |
56 | register_acpi_notifier(&device->acpi.nb); | |
57 | #endif | |
ed76a870 | 58 | } |