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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

February 2017 Kernel Hackers Manual 3.16