AUX_CH_NONE
if (dig_port->aux_ch == AUX_CH_NONE)
return AUX_CH_NONE;
return AUX_CH_NONE;
if (dig_port->aux_ch == AUX_CH_NONE)
if (aux_ch == AUX_CH_NONE) {
if (aux_ch == AUX_CH_NONE)
return AUX_CH_NONE;
return AUX_CH_NONE;
dig_port->aux_ch = AUX_CH_NONE;