commit 8457a1b49a2af0a0e71f80afed9f7c80de361610
author Guenter Roeck <groeck@chromium.org> Mon Aug 15 06:15:35 2016 -0700
committer Chanwoo Choi <cw00.choi@samsung.com> Thu Aug 18 10:23:36 2016 +0900
tree 65acd49d48a47dec0843d8f6183d2b9d44407692
parent 7fe95fb889faf07ee438384858d38b820973397e

extcon: Introduce EXTCON_PROP_USB_SS property for SuperSpeed mode

EXTCON_PROP_USB_SS (SuperSpeed)[1] is necessary to distinguish
between USB/USB2 and USB3 connections on USB Type-C cables.

[1] https://en.wikipedia.org/wiki/USB#Overview

Cc: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

include/linux/extcon.h

diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 461abee..b34d1ae 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -109,12 +109,18 @@
  * @type:	integer (intval)
  * @value:	0 (normal) or 1 (flip)
  * @default:	0 (normal)
+ * - EXTCON_PROP_USB_SS (SuperSpeed)
+ * @type:       integer (intval)
+ * @value:      0 (USB/USB2) or 1 (USB3)
+ * @default:    0 (USB/USB2)
+ *
  */
 #define EXTCON_PROP_USB_VBUS		0
 #define EXTCON_PROP_USB_TYPEC_POLARITY	1
+#define EXTCON_PROP_USB_SS		2
 
 #define EXTCON_PROP_USB_MIN		0
-#define EXTCON_PROP_USB_MAX		1
+#define EXTCON_PROP_USB_MAX		2
 #define EXTCON_PROP_USB_CNT	(EXTCON_PROP_USB_MAX - EXTCON_PROP_USB_MIN + 1)
 
 /* Properties of EXTCON_TYPE_CHG. */