add audio support, trying to manage MSD device

http/hw/hid/mouse.go

@@ -87,10 +87,10 @@ func (h *Hid) writeWithTimeout(file *os.File, data []byte) {
 	if err != nil {
 		switch {
 		case errors.Is(err, os.ErrClosed):
-			log.Debugf("hid already closed, reopen it...")
+			log.Tracef("hid already closed, reopen it...")
 			h.OpenNoLock()
 		case errors.Is(err, os.ErrDeadlineExceeded):
-			log.Debugf("write to hid timeout")
+			log.Tracef("write to hid timeout")
 		default:
 			log.Errorf("write to hid failed: %s", err)
 		}

http/hw/hid/op.go

@@ -8,6 +8,7 @@ import (
 )
 
 func (h *Hid) OpenNoLock() {
+	log.Debug("OpenNoLock hid")
 	var err error
 	h.CloseNoLock()
 
@@ -39,6 +40,7 @@ func (h *Hid) Open() {
 }
 
 func (h *Hid) CloseNoLock() {
+	log.Debug("CloseNoLock")
 	for _, file := range []*os.File{h.g0, h.g1, h.g2} {
 		if file != nil {
 			_ = file.Sync()