2 files changed, 4 insertions, 3 deletions
diff --git a/src/class/midi/midi_host.c b/src/class/midi/midi_host.c
index 061e17fee..fbb994ade 100644
--- a/src/class/midi/midi_host.c
+++ b/src/class/midi/midi_host.c
@@ -29,7 +29,7 @@
 #if (TUSB_OPT_HOST_ENABLED && CFG_TUH_MIDI)
 
 #include "host/usbh.h"
-#include "host/usbh_classdriver.h"
+#include "host/usbh_pvt.h"
 
 #include "midi_host.h"
 
@@ -131,7 +131,7 @@ static uint32_t write_flush(uint8_t dev_addr, midih_interface_t* midi);
 //--------------------------------------------------------------------+
 // USBH API
 //--------------------------------------------------------------------+
-void midih_init(void)
+bool midih_init(void)
 {
   tu_memclr(&_midi_host, sizeof(_midi_host));
   // config fifos
@@ -146,6 +146,7 @@ void midih_init(void)
     tu_fifo_config_mutex(&p_midi_host->tx_ff, osal_mutex_create(&p_midi_host->tx_ff_mutex), NULL);
   #endif
   }
+  return true;
 }
 
 bool midih_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)
diff --git a/src/class/midi/midi_host.h b/src/class/midi/midi_host.h
index 292c596e4..edf57bfcb 100644
--- a/src/class/midi/midi_host.h
+++ b/src/class/midi/midi_host.h
@@ -107,7 +107,7 @@ uint8_t tuh_midi_get_all_istrings(uint8_t dev_addr, const uint8_t** istrings);
 //--------------------------------------------------------------------+
 // Internal Class Driver API
 //--------------------------------------------------------------------+
-void midih_init       (void);
+bool midih_init       (void);
 bool midih_open       (uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len);
 bool midih_set_config (uint8_t dev_addr, uint8_t itf_num);
 bool midih_xfer_cb    (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);