workbench/devs/AHI/Drivers/Alsa/alsa-init.c

   1
   2 #include <aros/debug.h>
   3 #include <config.h>
   4
   5 #include "library.h"
   6 #include "DriverData.h"
   7
   8 #include "alsa-bridge/alsa.h"
   9
  10 /******************************************************************************
  11 ** Custom driver init *********************************************************
  12 ******************************************************************************/
  13
  14 BOOL
  15 DriverInit( struct DriverBase* AHIsubBase )
  16 {
  17   struct AlsaBase* AlsaBase = (struct AlsaBase*) AHIsubBase;
  18
  19   D(bug("[Alsa]: DriverInit()\n"));
  20
  21   AlsaBase->dosbase = (struct DosLibrary *)OpenLibrary( DOSNAME, 37 );
  22
  23   if( AlsaBase->dosbase == NULL )
  24   {
  25     Req( "Unable to open 'dos.library' version 37.\n" );
  26     return FALSE;
  27   }
  28
  29   if (!ALSA_Init())
  30       return FALSE;
  31
  32
  33   ALSA_MixerInit(&AlsaBase->al_MixerHandle, &AlsaBase->al_MixerElem,
  34           &AlsaBase->al_MinVolume, &AlsaBase->al_MaxVolume);
  35
  36   D(bug("[Alsa]: DriverInit() completed\n"));
  37
  38   return TRUE;
  39 }
  40
  41
  42 /******************************************************************************
  43 ** Custom driver clean-up *****************************************************
  44 ******************************************************************************/
  45
  46 VOID
  47 DriverCleanup( struct DriverBase* AHIsubBase )
  48 {
  49   struct AlsaBase* AlsaBase = (struct AlsaBase*) AHIsubBase;
  50
  51   ALSA_Cleanup();
  52
  53   if (AlsaBase->al_MixerHandle)
  54     ALSA_MixerCleanup(AlsaBase->al_MixerHandle);
  55
  56   CloseLibrary( (struct Library*) DOSBase );
  57 }