WM8731_OP_MIC
sc->sc_volume[WM8731_OP_MIC].left = 180;
UNMUTE(sc, WM8731_OP_MIC, 0);
wm8731_update_volume(sc, WM8731_OP_MIC);
UNMUTE(sc, WM8731_OP_MIC, 1);
UNMUTE(sc, WM8731_OP_MIC, 0);
case WM8731_OP_MIC:
volume = &sc->sc_volume[WM8731_OP_MIC];
if (!sc->sc_unmute[WM8731_OP_MIC]) {
scoop_set_mic_bias(sc->sc_unmute[WM8731_OP_MIC]);
sc->sc_volume[WM8731_OP_MIC].left =
wm8731_update_volume(sc, WM8731_OP_MIC);
UNMUTE(sc, WM8731_OP_MIC, mc->un.ord ? 1 : 0);
sc->sc_volume[WM8731_OP_MIC].left;
mc->un.ord = sc->sc_unmute[WM8731_OP_MIC] ? 1 : 0;