想在JZ4740上使用ＵＳＢ摄像头，应该怎么入手

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V4L USB devices －－》
--- V4L USB devices │ │
│ │ <M> USB 3com HomeConnect (aka vicam) support (EXPERIMENTAL) │ │
│ │ <M> USB IBM (Xirlink) C-it Camera support │ │
│ │ <M> USB Konica Webcam support │ │
│ │ <M> USB Logitech Quickcam Messenger │ │
│ │ <M> USB ET61X[12]51 PC Camera Controller support │ │
│ │ <M> USB OV511 Camera support │ │
│ │ <M> USB SE401 Camera support │ │
│ │ <M> USB SN9C1xx PC Camera Controller support │ │
│ │ <M> USB STV680 (Pencam) Camera support │ │
│ │ <M> USB ZC0301[P] Image Processor and Control Chip support │ │
│ │ <M> USB Philips Cameras │ │
│ │ [*] USB Philips Cameras verbose debug │ │
│ │ <M> USB ZR364XX Camera support