/*++

Copyright (c) 1993  Microsoft Corporation

Module Name:

    config.c

Abstract:

    This module contains code configuration code for the initialization phase
    of the Microsoft midi synth device driver.

Author:

    Robin Speed (RobinSp) 17-Oct-1992

Environment:

    Kernel mode

Revision History:

--*/


#include "sound.h"
#include <string.h>





VOID
SoundSaveVolume(
    PGLOBAL_DEVICE_INFO pGDI
)
{
    //
    // Write out left and right volume settings for each device
    //

    int i;
    for (i = 0; i < NumberOfDevices; i++) {
    if (pGDI->DeviceObject[i])  {
        PLOCAL_DEVICE_INFO pLDI;

        pLDI = (PLOCAL_DEVICE_INFO)pGDI->DeviceObject[i]->DeviceExtension;

        SoundSaveDeviceVolume(pLDI, pGDI->RegistryPathName);
    }
    }
    SoundFlushRegistryKey(pGDI->RegistryPathName);
}



NTSTATUS
SoundReadConfiguration(
    IN  PWSTR ValueName,
    IN  ULONG ValueType,
    IN  PVOID ValueData,
    IN  ULONG ValueLength,
    IN  PVOID Context,
    IN  PVOID EntryContext
)
/*++

Routine Description :

    Return configuration information for our device

Arguments :

    ConfigData - where to store the result

Return Value :

    NT status code - STATUS_SUCCESS if no problems

--*/
{
    PSOUND_CONFIG_DATA ConfigData;

    ConfigData = Context;

    if (ValueType == REG_DWORD) {

        int i;
    
        for (i = 0; i < NumberOfDevices; i++) {
            if (DeviceInit[i].LeftVolumeName != NULL &&
            _wcsicmp(ValueName, DeviceInit[i].LeftVolumeName) == 0) {
                ConfigData->Volume[i].Left = *(PULONG)ValueData;
        
                dprintf3(("%ls = %8X", DeviceInit[i].LeftVolumeName,
                      ConfigData->Volume[i].Left));
            }
            if (DeviceInit[i].RightVolumeName != NULL &&
                _wcsicmp(ValueName, DeviceInit[i].RightVolumeName) == 0) {
                ConfigData->Volume[i].Right = *(PULONG)ValueData;
        
                dprintf3(("%ls = %8X", DeviceInit[i].RightVolumeName,
                      ConfigData->Volume[i].Right));
            }
        }

    }
    return STATUS_SUCCESS;
}