snd_usb_caiaq_audio_free    6 sound/usb/caiaq/audio.h void snd_usb_caiaq_audio_free(struct snd_usb_caiaqdev *cdev);
snd_usb_caiaq_audio_free  553 sound/usb/caiaq/device.c 	snd_usb_caiaq_audio_free(cdev);