Name
usb_find_alt_setting — 
  Given a configuration, find the alternate setting for the given interface.
 
Synopsis
| struct usb_host_interface * usb_find_alt_setting ( | struct usb_host_config * config, | 
|  | unsigned int iface_num, | 
|  | unsigned int alt_num ); | 
 
Arguments
- config
- 
     the configuration to search (not necessarily the current config).
     
- iface_num
- 
     interface number to search in
     
- alt_num
- 
     alternate interface setting number to search for.
     
Description
   Search the configuration's interface cache for the given alt setting.
Return
   The alternate setting, if found. NULL otherwise.