windvr_audio       23 drivers/media/pci/bt8xx/bttv-audio-hook.h void windvr_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
windvr_audio     1536 drivers/media/pci/bt8xx/bttv-cards.c 		.audio_mode_gpio= windvr_audio,