PAD_SIGNAL_AUDIO
state->pads[AU8522_PAD_AUDIO_OUT].sig_type = PAD_SIGNAL_AUDIO;
state->pads[MSP3400_PAD_IF_INPUT].sig_type = PAD_SIGNAL_AUDIO;
state->pads[MSP3400_PAD_OUT].sig_type = PAD_SIGNAL_AUDIO;
dev->pad[SI2157_PAD_AUD_OUT].sig_type = PAD_SIGNAL_AUDIO;
PAD_SIGNAL_AUDIO);
t->pad[TUNER_PAD_AUD_OUT].sig_type = PAD_SIGNAL_AUDIO;
PAD_SIGNAL_AUDIO);
PAD_SIGNAL_AUDIO);