AC_PINCTL_VREFEN
idx = snd_hda_codec_get_pin_target(codec, nid) & AC_PINCTL_VREFEN;
idx = cvt_from_vref_idx(vref_caps, val & AC_PINCTL_VREFEN);
val &= ~AC_PINCTL_VREFEN;
val &= AC_PINCTL_VREFEN;
val &= ~(AC_PINCTL_VREFEN | PIN_HP);
pinval &= ~AC_PINCTL_VREFEN;
pinctl &= ~AC_PINCTL_VREFEN;
pinctl |= (new_vref & AC_PINCTL_VREFEN);
val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
vref = val & AC_PINCTL_VREFEN;
val &= ~AC_PINCTL_VREFEN;
int vref = pinctls & AC_PINCTL_VREFEN;