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.