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