If no speed is specified, try the maximum

git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@3179 67ed7778-7388-44ab-90cf-0a291f65f57c

camlibs/digita/serial.c

@@ -203,6 +203,8 @@ int digita_serial_open(CameraPrivateLibrary *dev, Camera *camera)
 
 	/* Remember the selected speed */
 	selected_speed = settings.serial.speed;
+	if (!selected_speed)
+		selected_speed = 115200;	/* Try the maximum speed */
 
 	/* Set the settings */
 	settings.serial.speed = 9600;