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Disable Playback interface on PCM2906C?

Other Parts Discussed in Thread: PCM2906C

Is it possible to use the PCM2906C as an input only? (disable the playback functionality)

I am using the PCM2906C to implement a USB microphone, therefore it does not have speakers connected. When the device is connected to a PC, Windows automatically sets the PCM2906C as the default playback device which kills all audio coming out of the PC until the user manually disables it.

The device has two pins (SEL0 and SEL1) but the exact use is undocumented other than they must be tied high. Could it be possible to use this pins to disable the playback function?

Another route would be to disable the device as a playback endpoint programmatically. I have searched without success on how to do this.