{
struct via_spec *spec = codec->spec;
- if (!spec->aa_mix_nid || !spec->out_mix_path.depth)
+ if (!spec->aa_mix_nid)
+ return 0; /* no loopback switching available */
+ if (!(spec->out_mix_path.depth || spec->hp_mix_path.depth ||
+ spec->speaker_path.depth))
return 0; /* no loopback switching available */
if (!via_clone_control(spec, &via_aamix_ctl_enum))
return -ENOMEM;