How does the 'hardware microphone disconnect' on clid close work?
Does anybody have an idea how the lid-close hardware microphone disconnect is physically implemented?
Is it a switch in the hinge that disconnects the audio cable? Is it a pin from the lid sensor that goes from high to low that then pulls the digitised audio signal to zero?
Ref: https://www.apple.com/mac/docs/Apple_T2_... (p.13)
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