USB_FIND_ALT_SETTING(9)                   USB Core APIs                   USB_FIND_ALT_SETTING(9)



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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   USB_FIND_ALT_SETTING(9)