int patch_vt1617a(struct snd_ac97 * ac97);
int patch_it2646(struct snd_ac97 * ac97);
int mpatch_si3036(struct snd_ac97 * ac97);
int patch_vt1617a(struct snd_ac97 * ac97);
int patch_it2646(struct snd_ac97 * ac97);
int mpatch_si3036(struct snd_ac97 * ac97);