multi_audio_control
multi_audio_control(geode_controller* controller, uint32 op, void* arg, size_t len)
multi_audio_control(void* cookie, uint32 op, void* arg, size_t len)
multi_audio_control(void* cookie, uint32 op, void* arg, size_t len)
multi_audio_control(void* cookie, uint32 op, void* arg, size_t len)