If the camera works but the microphone is dead, a common "soft patch" involves restarting the USB device via terminal commands or using a tool like SupportAssist to reset the port power, which often "wakes up" the integrated mic.
Plugged the camera in, and... cheese fired right up. usb vid 0c45 pid 627b rev 0100 patched
If you are looking for a specific or a modded feature (like infrared bypass or high-frame-rate unlocks), please clarify the platform (e.g., Linux Kernel version or Windows Build) you are working with. If the camera works but the microphone is