1USB_FIND_ALT_SETTING(9)          USB Core APIs         USB_FIND_ALT_SETTING(9)
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NAME

6       usb_find_alt_setting - Given a configuration, find the alternate
7       setting for the given interface.
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SYNOPSIS

10       struct usb_host_interface *
11                                                        usb_find_alt_setting(struct usb_host_config * config,
12                                                        unsigned int iface_num,
13                                                        unsigned int alt_num);
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ARGUMENTS

16       config
17           the configuration to search (not necessarily the current config).
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19       iface_num
20           interface number to search in
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22       alt_num
23           alternate interface setting number to search for.
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DESCRIPTION

26       Search the configuration's interface cache for the given alt setting.
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RETURN

29       The alternate setting, if found.  NULL otherwise.
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32Kernel Hackers Manual 3.10         June 2019           USB_FIND_ALT_SETTING(9)
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