/**
* struct sensor_hub_data - Hold a instance data for a HID hub device
- * @hsdev: Stored hid instance for current hub device.
* @mutex: Mutex to serialize synchronous request.
* @lock: Spin lock to protect pending request structure.
* @dyn_callback_list: Holds callback function
* struct hid_sensor_hub_callbacks_list - Stores callback list
* @list: list head.
* @usage_id: usage id for a physical device.
+ * @hsdev: Stored hid instance for current hub device.
* @usage_callback: Stores registered callback functions.
* @priv: Private data for a physical device.
*/