Name
struct v4l2_ctrl_ref — 
     The control reference.
 
Synopsis
struct v4l2_ctrl_ref {
  struct list_head node;
  struct v4l2_ctrl_ref * next;
  struct v4l2_ctrl * ctrl;
  struct v4l2_ctrl_helper * helper;
};  Members
- node
- 
   List node for the sorted list.
       
- next
- 
   Single-link list node for the hash.
       
- ctrl
- 
   The actual control information.
       
- helper
- 
   Pointer to helper struct. Used internally in - prepare_ext_ctrls.
 
Description
   Each control handler has a list of these refs. The list_head is used to
   keep a sorted-by-control-ID list of all controls, while the next pointer
   is used to link the control in the hash's bucket.