$ v4l2-ctl --all
Driver Info (not using libv4l2):
        Driver name   : spca505
        Card type     : USB Camera (0733:0430)
        Bus info      : usb-0000:00:1d.0-1.6.3
        Driver version: 4.9.51
        Capabilities  : 0x85200001
                Video Capture
                Read/Write
                Streaming
                Extended Pix Format
                Device Capabilities
        Device Caps   : 0x05200001
                Video Capture
                Read/Write
                Streaming
                Extended Pix Format
Priority: 2
Video input : 0 (spca505: ok)
Format Video Capture:
        Width/Height      : 352/288
        Pixel Format      : 'S505'
        Field             : None
        Bytes per Line    : 352
        Size Image        : 152064
        Colorspace        : sRGB
        Transfer Function : Default
        YCbCr/HSV Encoding: Default
        Quantization      : Default
        Flags             :
Streaming Parameters Video Capture:
        Frames per second: invalid (0/0)
        Read buffers     : 2

User Controls

                     brightness (int)    : min=0 max=255 step=1 default=127 value=127 flags=slider