offall, on Sep 19 2005, 08:05 PM, said:
about the sigmatel 9220,
may be we need to port our own extension.
there is person named dogbert in this forum that has done great job on porting sound card drivers
He ported (or should say wrote) the cmi 8738 extension from scrach within one or two days,
(search for 8738 or dogbert for his posts)
he also has some extensive post on sound card.
is anyone know how he did that and is there something in common?
not sure if this will help but this is what I get from ioreg, I'm sure that is only what is loaded, so it is likely only the HD Audio port. BTW Cyrana, can you take a screen shoot of your Sounds prefpane on the Device tab so I can see what it should look like?
| | | +-o IOHDAudioCodecDevice@2 <class IOHDAudioCodecDevice, register$
| | | +-o IOHDAudioCodecDriver <class IOHDAudioCodecDriver, !registe$
| | | +-o IOHDAudioCodecFunction@1 <class IOHDAudioCodecFunction, $
| | | +-o AppleAzaliaAudioCodecGeneric <class AppleAzaliaAudioCo$
| | | +-o AppleAzaliaAudioDriver <class AppleAzaliaAudioDriver$
| | | +-o AppleAzaliaAudioEngineOutput <class AppleAzaliaAud$
| | | +-o IOAudioStream <class IOAudioStream, registered, $
| | | +-o IOAudioLevelControl <class IOAudioLevelControl, $
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | +-o IOAudioToggleControl <class IOAudioToggleControl$
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | +-o IOAudioLevelControl <class IOAudioLevelControl, $
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | +-o IOAudioToggleControl <class IOAudioToggleControl$
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | +-o IOAudioToggleControl <class IOAudioToggleControl$
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | | +-o IOAudioControlUserClient <class IOAudioControl$
| | | +-o IOAudioEngineUserClient <class IOAudioEngineUser$
| | | +-o IOAudioEngineUserClient <class IOAudioEngineUser$
| | | +-o IOAudioEngineUserClient <class IOAudioEngineUser$