137 lines
2.7 KiB
C
137 lines
2.7 KiB
C
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/****************************************************************************
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Copyright (c) 1993 Media Vision Inc. All Rights Reserved
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Module Name:
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config.c
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Abstract:
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This module contains code configuration code for the initialization phase
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of the Microsoft midi synth device driver.
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Author:
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Robin Speed (RobinSp) 17-Oct-1992
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Evan Aurand 03-01-93
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Environment:
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Kernel mode
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Revision History:
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*****************************************************************************/
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#include "sound.h"
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#include <string.h>
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/*****************************************************************************
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Routine Description :
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Arguments :
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Return Value :
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VOID
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*****************************************************************************/
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VOID SoundSaveVolume( PGLOBAL_DEVICE_INFO pGDI )
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{
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int i;
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DbgPrintf3(("SoundSaveVolume() - Entry"));
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//
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// Write out left and right volume settings for each device
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//
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for (i = 0; i < NumberOfDevices; i++) {
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if (pGDI->DeviceObject[i]) {
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PLOCAL_DEVICE_INFO pLDI;
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pLDI = (PLOCAL_DEVICE_INFO)pGDI->DeviceObject[i]->DeviceExtension;
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SoundSaveDeviceVolume(pLDI, pGDI->RegistryPathName);
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}
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}
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SoundFlushRegistryKey(pGDI->RegistryPathName);
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}
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/*****************************************************************************
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Routine Description :
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Return configuration information for our device
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Arguments :
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ConfigData - where to store the result
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Return Value :
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NT status code - STATUS_SUCCESS if no problems
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*****************************************************************************/
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NTSTATUS
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SoundReadConfiguration(
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IN PWSTR ValueName,
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IN ULONG ValueType,
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IN PVOID ValueData,
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IN ULONG ValueLength,
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IN PVOID Context,
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IN PVOID EntryContext
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)
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{
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PSOUND_CONFIG_DATA ConfigData;
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DbgPrintf3(("SoundReadConfiguration() - Entry"));
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ConfigData = Context;
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if (ValueType == REG_DWORD) {
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int i;
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for (i = 0; i < NumberOfDevices; i++) {
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if (DeviceInit[i].LeftVolumeName != NULL &&
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_wcsicmp(ValueName, DeviceInit[i].LeftVolumeName) == 0) {
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ConfigData->Volume[i].Left = *(PULONG)ValueData;
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DbgPrintf2((" SoundReadConfiguration() - %ls = %8XH", DeviceInit[i].LeftVolumeName,
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ConfigData->Volume[i].Left));
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break;
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}
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if (DeviceInit[i].RightVolumeName != NULL &&
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_wcsicmp(ValueName, DeviceInit[i].RightVolumeName) == 0) {
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ConfigData->Volume[i].Right = *(PULONG)ValueData;
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DbgPrintf2((" SoundReadConfiguration() - %ls = %8XH", DeviceInit[i].RightVolumeName,
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ConfigData->Volume[i].Right));
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break;
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}
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}
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}
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return STATUS_SUCCESS;
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}
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/************************************ END ***********************************/
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