alc_alloc_spec
err = alc_alloc_spec(codec, 0x07);
err = alc_alloc_spec(codec, 0x0b);
err = alc_alloc_spec(codec, 0);
err = alc_alloc_spec(codec, 0x0b);
err = alc_alloc_spec(codec, 0x0b);
err = alc_alloc_spec(codec, 0);
err = alc_alloc_spec(codec, 0x15);
err = alc_alloc_spec(codec, 0x0b);
err = alc_alloc_spec(codec, 0x0b);
err = alc_alloc_spec(codec, 0x0b);
EXPORT_SYMBOL_NS_GPL(alc_alloc_spec, "SND_HDA_CODEC_REALTEK");
int alc_alloc_spec(struct hda_codec *codec, hda_nid_t mixer_nid);