EM28XX_AMUX_UNUSED
dev->amux_map[idx] = EM28XX_AMUX_UNUSED;
if (dev->amux_map[j] != EM28XX_AMUX_UNUSED)
if (dev->has_msp34xx && idx != EM28XX_AMUX_UNUSED)
case EM28XX_AMUX_UNUSED:
if (idx == EM28XX_AMUX_UNUSED)