avermedia_tv_stereo_audio   16 drivers/media/pci/bt8xx/bttv-audio-hook.h void avermedia_tv_stereo_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
avermedia_tv_stereo_audio  523 drivers/media/pci/bt8xx/bttv-cards.c 		.audio_mode_gpio= avermedia_tv_stereo_audio,