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TLV320AIC3120EVM-U: MIC1LP Direct to Analog Mixer does not work.

Part Number: TLV320AIC3120EVM-U

I was able to get the Analog Beep circuit to work on the evaluation kit using MIC1LP. The circuit below was prototyped on the TLV320AIC3120EVM-U kit. 

When selecting the MIC1LP (GUI) to route to the Mixer AMP, the register bit selected in Page1 Register 35, sets the MIC1RP (Bit D4) instead of MIC1LP (Bit D5). No sound is heard when inputting a square wave on MIC1LP input.

When selecting the MIC1RP (GUI) to route to the Mixer AMP, the register bit selected in Page1 Register 35, sets the MIC1LP (Bit D5) instead of MIC1RP (Bit D4). Sound is heard when inputting a square wave on MIC1LP input.