2 files changed, 5 insertions, 0 deletions
diff --git a/src/class/cdc/cdc_host.c b/src/class/cdc/cdc_host.c
index 2fb37d835..14f380b40 100644
--- a/src/class/cdc/cdc_host.c
+++ b/src/class/cdc/cdc_host.c
@@ -637,6 +637,10 @@ void cdch_init(void) {
   }
 }
 
+bool cdch_deinit(void) {
+  return true;
+}
+
 void cdch_close(uint8_t daddr) {
   for (uint8_t idx = 0; idx < CFG_TUH_CDC; idx++) {
     cdch_interface_t* p_cdc = &cdch_data[idx];
diff --git a/src/class/cdc/cdc_host.h b/src/class/cdc/cdc_host.h
index d512a23a5..7530b1e9d 100644
--- a/src/class/cdc/cdc_host.h
+++ b/src/class/cdc/cdc_host.h
@@ -193,6 +193,7 @@ TU_ATTR_WEAK extern void tuh_cdc_tx_complete_cb(uint8_t idx);
 // Internal Class Driver API
 //--------------------------------------------------------------------+
 void cdch_init       (void);
+bool cdch_deinit     (void);
 bool cdch_open       (uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len);
 bool cdch_set_config (uint8_t dev_addr, uint8_t itf_num);
 bool cdch_xfer_cb    (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);