usb_find_alt_setting (9) Linux Manual Page
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.