bool
PNetAudioDevice::initHardware (IOService *provider)
{
if (!super::initHardware(provider)) {
IOLog("IOAudioDevice::initHardware(%p) failed\n", provider);
return false;
}
setDeviceName("Portable Network Audio Device");
setDeviceShortName("PNetAudio");
setManufacturerName("LowH.net");
return createAudioEngine();
}
bool AppleIntelAC97AudioDriver::initHardware( IOService * provider )
{
DebugLog("%s::%s(%p)\n", getName(), __FUNCTION__, provider);
if ( super::initHardware(provider) == false )
{
IOLog("super::initHardware\n");
goto fail;
}
setManufacturerName( "Intel" );
setDeviceName( "AC97 Audio Controller" );
// Keep a reference to our provider. Must be an audio codec.
_audioCodec = OSDynamicCast( AppleIntelAC97Codec, provider );
if ( _audioCodec == 0 )
{
goto fail;
}
// Open codec for exclusive access.
if ( _audioCodec->open( this ) == false )
{
DebugLog("%s: codec open error\n", getName());
goto fail;
}
// Create audio engine.
if ( createAudioEngine() == false )
{
DebugLog("%s: createAudioEngine() error\n", getName());
goto fail;
}
// Create audio ports, and attach them to audio engine.
if ( createAudioPorts() == false )
{
DebugLog("%s: createAudioPorts() error\n", getName());
goto fail;
}
// Activate audio engine.
if ( activateAudioEngine( _audioEngine ) != kIOReturnSuccess )
{
DebugLog("%s: activateAudioEngine() error\n", getName());
goto fail;
}
// Flush default audio control settings.
flushAudioControls();
return true;
fail:
if ( _audioCodec )
{
_audioCodec->close( this );
_audioCodec = 0;
}
return false;
}
