MIX_MIC_IN
mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
case MIX_MIC_IN: return AMIXER_MIC;