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  10 #include "bttvp.h"
  11 
  12 void winview_volume (struct bttv *btv, __u16 volume);
  13 
  14 void lt9415_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  15 void avermedia_tvphone_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  16 void avermedia_tv_stereo_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  17 void terratv_audio(struct bttv *btv,  struct v4l2_tuner *tuner, int set);
  18 void gvbctv3pci_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  19 void gvbctv5pci_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  20 void winfast2000_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  21 void pvbt878p9b_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  22 void fv2000s_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  23 void windvr_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  24 void adtvk503_audio(struct bttv *btv, struct v4l2_tuner *tuner, int set);
  25