INPUT_SPD1
case INPUT_SPD1:
emu10k_write_gpr(devc, GPR_REC_SPDIF1, (set_val == INPUT_SPD1));
desc.acd_minvalue |= (1 << INPUT_SPD1);
desc.acd_maxvalue |= (1 << INPUT_SPD1);
desc.acd_enum[INPUT_SPD1] = AUDIO_PORT_SPDIFIN;