class: hid: optimization for parameter passing into tud_hid_set_report_cb (#27)

- pass a actual report id into tud_hid_set_report_cb but instead of 0
  when report ids exist.

Signed-off-by: Jiading Xu <Jiading.Xu@hpmicro.com>

src/class/hid/hid_device.c

@@ -428,7 +428,12 @@ bool hidd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
   // Received report
   else if (ep_addr == p_hid->ep_out)
   {
-    tud_hid_set_report_cb(instance, 0, HID_REPORT_TYPE_INVALID, p_hid->epout_buf, xferred_bytes);
+    #if (CFG_TUSB_REPORT_ID_COUNT > 0)
+      tud_hid_set_report_cb(instance, p_hid->epout_buf[0], HID_REPORT_TYPE_OUTPUT, &p_hid->epout_buf[1], xferred_bytes - 1);
+    #else
+      tud_hid_set_report_cb(instance, 0, HID_REPORT_TYPE_INVALID, p_hid->epout_buf, xferred_bytes);
+    #endif
+
     TU_ASSERT(usbd_edpt_xfer(rhport, p_hid->ep_out, p_hid->epout_buf, sizeof(p_hid->epout_buf)));
   }