list_for_each_entry(mixer, &chip->mixer_list, list) {
snd_iprintf(buffer,
- "USB Mixer: ctrlif=%i, ctlerr=%i\n",
- mixer->ctrlif, mixer->ignore_ctl_error);
+ "USB Mixer: usb_id=0x%08x, ctrlif=%i, ctlerr=%i\n",
+ chip->usb_id, mixer->ctrlif,
+ mixer->ignore_ctl_error);
snd_iprintf(buffer, "Card: %s\n", chip->card->longname);
for (unitid = 0; unitid < MAX_ID_ELEMS; unitid++) {
for (cval = mixer->id_elems[unitid]; cval;