snd_hda_ext_driver_unregister  165 include/sound/hdaudio_ext.h void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
snd_hda_ext_driver_unregister  193 sound/hda/ext/hdac_ext_bus.c EXPORT_SYMBOL_GPL(snd_hda_ext_driver_unregister);
snd_hda_ext_driver_unregister 2243 sound/soc/codecs/hdac_hdmi.c 	snd_hda_ext_driver_unregister(&hdmi_driver);