const struct hid_device_id *hid_match_id(struct hid_device *hdev,
const struct hid_device_id *id);
s32 hid_snto32(__u32 value, unsigned n);
+__u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
+ unsigned offset, unsigned n);
/**
* hid_device_io_start - enable HID input during probe, remove