usb: dwc3: debug: add dwc3_gadget_event_type_string

this new helper will return a pretty string for
DWC3 Gadget Events.

Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h
index e35a3d103d7f..12ff4c9479c0 100644
--- a/drivers/usb/dwc3/debug.h
+++ b/drivers/usb/dwc3/debug.h
@@ -180,6 +180,40 @@ static inline const char *dwc3_ep_event_string(u8 event)
         return "UNKNOWN";
 }
 
+/**
+ * dwc3_gadget_event_type_string - return event name
+ * @event: the event code
+ */
+static inline const char *dwc3_gadget_event_type_string(u8 event)
+{
+        switch (event) {
+        case DWC3_DEVICE_EVENT_DISCONNECT:
+                return "Disconnect";
+        case DWC3_DEVICE_EVENT_RESET:
+                return "Reset";
+        case DWC3_DEVICE_EVENT_CONNECT_DONE:
+                return "Connect Done";
+        case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
+                return "Link Status Change";
+        case DWC3_DEVICE_EVENT_WAKEUP:
+                return "Wake-Up";
+        case DWC3_DEVICE_EVENT_HIBER_REQ:
+                return "Hibernation";
+        case DWC3_DEVICE_EVENT_EOPF:
+                return "End of Periodic Frame";
+        case DWC3_DEVICE_EVENT_SOF:
+                return "Start of Frame";
+        case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
+                return "Erratic Error";
+        case DWC3_DEVICE_EVENT_CMD_CMPL:
+                return "Command Complete";
+        case DWC3_DEVICE_EVENT_OVERFLOW:
+                return "Overflow";
+        default:
+                return "UNKNOWN";
+        }
+}
+
 #ifdef CONFIG_DEBUG_FS
 extern int dwc3_debugfs_init(struct dwc3 *);
 extern void dwc3_debugfs_exit(struct dwc3 *);