windows-nt/Source/XPSP1/NT/multimedia/media/drivers/drvlib/config.c

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2020-09-26 03:20:57 -05:00
/****************************************************************************
*
* config.c
*
* Multimedia kernel driver support component (drvlib)
*
* Copyright (c) 1993-1994 Microsoft Corporation
*
* Support configuration of multi-media drivers :
*
* This code steps through the stages of configuration and calls back
* the real driver when there's something to do. We also handle setting
* registry parameters and loading/unloading the kernel driver,
* retrieving new/changed parameters etc.
*
* History
*
***************************************************************************/
/**************************************************************************
Spec :
State :
Set of install card instances in the registry
Set of state variables
**************************************************************************/
BOOL DriverConfigCheckAccess(PDRIVER_CONFIGURATION Config)
{
BOOL Result;
REG_ACCESS RegAccess;
//
// Check to see if we can access the registry.
// Note thta this may be a config immediately after install
// so we may not have a service or node yet
//
DrvCreateServicesNode(STR_DRIVERNAME,
SoundDriverTypeNormal,
&RegAccess,
FALSE); // Don't create
Result = DrvAccess(&RegAccess);
DrvCloseServiceManager(&RegAccess);
return Result;
}