~ $ v4l2-ctl --all
Driver Info (not using libv4l2):
        Driver name   : uvcvideo
        Card type     : USB2.0 Camera
        Bus info      : usb-bcm2708_usb-1.2.6
        Driver version: 3.2.27
        Capabilities  : 0x04000001
                Video Capture
                Streaming
Format Video Capture:
        Width/Height  : 320/240
        Pixel Format  : 'YUYV'
        Field         : None
        Bytes per Line: 640
        Size Image    : 153600
        Colorspace    : SRGB
Crop Capability Video Capture:
        Bounds      : Left 0, Top 0, Width 320, Height 240
        Default     : Left 0, Top 0, Width 320, Height 240
        Pixel Aspect: 1/1
Video input : 0 (Camera 1: ok)
Streaming Parameters Video Capture:
        Capabilities     : timeperframe
        Frames per second: 30.000 (30/1)
        Read buffers     : 0