1 files changed, 39 insertions, 0 deletions
diff --git a/common/case_closed_debug.c b/common/case_closed_debug.c
new file mode 100644
index 0000000000..08e5e8411d
--- /dev/null
+++ b/common/case_closed_debug.c
@@ -0,0 +1,39 @@
+/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Case Closed Debug common implementation
+ */
+
+#include "case_closed_debug.h"
+
+#include "common.h"
+#include "usb_api.h"
+
+#if !defined(CONFIG_USB_INHIBIT_INIT)
+#error "CONFIG_USB_INHIBIT_INIT must be defined to use Case Closed Debugging"
+#endif
+
+#if !defined(CONFIG_USB)
+#error "CONFIG_USB must be defined to use Case Closed Debugging"
+#endif
+
+static enum ccd_mode current_mode = CCD_MODE_DISABLED;
+
+void ccd_set_mode(enum ccd_mode new_mode)
+{
+	if (new_mode == current_mode)
+		return;
+
+	if (current_mode != CCD_MODE_DISABLED) {
+		usb_release();
+		ccd_board_disconnect();
+	}
+
+	current_mode = new_mode;
+
+	if (new_mode != CCD_MODE_DISABLED) {
+		ccd_board_connect();
+		usb_init();
+	}
+}