-/* lowlevel accessor with caching; use carefully */
-int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
- int direction, int index);
-int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
- int direction, int idx, int mask, int val);