lt9415_audio       14 drivers/media/pci/bt8xx/bttv-audio-hook.h void lt9415_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
lt9415_audio     3056 drivers/media/pci/bt8xx/bttv-cards.c 		btv->audio_mode_gpio = lt9415_audio;