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This helper will allow HID drivers to easily determine if they should bind to a hid_device by checking for the prescence of a certain field when its ID is not enough, which can be the case on USB devices with multiple interfaces and/or configurations. Convert google-hammer driver to use it, and remove now superfluous hammer_has_usage(). [jkosina@suse.com: expand changelog with the information about google-hammer being added as user of this API ] Signed-off-by: Kerem Karabay <kekrby@gmail.com> Signed-off-by: Aditya Garg <gargaditya08@live.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>