/* ctrl_classes points to an array of u32 pointers, the last element is
a NULL pointer. Each u32 array is a 0-terminated array of control IDs.
Each array must be sorted low to high and belong to the same control
- class. The array of u32 pointer must also be sorted, from low class IDs
+ class. The array of u32 pointers must also be sorted, from low class IDs
to high class IDs.
This function returns the first ID that follows after the given ID.