forked from eiz/SynchronousAudioRouter
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathdevice.cpp
More file actions
50 lines (42 loc) · 1.75 KB
/
device.cpp
File metadata and controls
50 lines (42 loc) · 1.75 KB
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
// SynchronousAudioRouter
// Copyright (C) 2015 Mackenzie Straight
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with SynchronousAudioRouter. If not, see <http://www.gnu.org/licenses/>.
#include "sar.h"
NTSTATUS SarKsDeviceAdd(IN PKSDEVICE device)
{
NTSTATUS status;
UNICODE_STRING referenceString;
SarDriverExtension *extension =
(SarDriverExtension *)IoGetDriverObjectExtension(
device->FunctionalDeviceObject->DriverObject, DriverEntry);
RtlUnicodeStringInit(&referenceString, SAR_CONTROL_REFERENCE_STRING + 1);
status = IoRegisterDeviceInterface(device->PhysicalDeviceObject,
&GUID_DEVINTERFACE_SYNCHRONOUSAUDIOROUTER, &referenceString,
&extension->sarInterfaceName);
if (!NT_SUCCESS(status)) {
return status;
}
extension->ksDevice = device;
SAR_INFO("KSDevice was created for %p, dev interface: %wZ",
device, &extension->sarInterfaceName);
return status;
}
NTSTATUS SarKsDevicePostStart(IN PKSDEVICE device)
{
SarDriverExtension *extension =
(SarDriverExtension *)IoGetDriverObjectExtension(
device->FunctionalDeviceObject->DriverObject, DriverEntry);
return IoSetDeviceInterfaceState(&extension->sarInterfaceName, TRUE);
}