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-rw-r--r--LUFA/Drivers/USB/Class/Device/CDC.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/CDC.h b/LUFA/Drivers/USB/Class/Device/CDC.h
index 605c3b7e9..5905474ce 100644
--- a/LUFA/Drivers/USB/Class/Device/CDC.h
+++ b/LUFA/Drivers/USB/Class/Device/CDC.h
@@ -192,8 +192,10 @@
/** Flushes any data waiting to be sent, ensuring that the send buffer is cleared.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
+ *
+ * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum
*/
- void CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+ uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a Serial Control Line State Change notification to the host. This should be called when the virtual serial
* control lines (DCD, DSR, etc.) have changed states, or to give BREAK notfications to the host. Line states persist