fv2000s_audio      22 drivers/media/pci/bt8xx/bttv-audio-hook.h void fv2000s_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
fv2000s_audio    1332 drivers/media/pci/bt8xx/bttv-cards.c 		.audio_mode_gpio= fv2000s_audio,