alsa-mixer: Recognize rear mic jack mixer of USB audio
Add "- Input" suffix to a new Jack section of rear mic in the path file, and the rear mic jack is probed and its state is compared with the expected "Rear Mic - Input".
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Add "- Input" suffix to a new Jack section of rear mic in the path file, and the rear mic jack is probed and its state is compared with the expected "Rear Mic - Input".