snd_hda_ext_driver_register  164 include/sound/hdaudio_ext.h int snd_hda_ext_driver_register(struct hdac_driver *drv);
snd_hda_ext_driver_register  182 sound/hda/ext/hdac_ext_bus.c EXPORT_SYMBOL_GPL(snd_hda_ext_driver_register);
snd_hda_ext_driver_register 2238 sound/soc/codecs/hdac_hdmi.c 	return snd_hda_ext_driver_register(&hdmi_driver);