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Commit 8df0cfe6 authored by Guenter Roeck's avatar Guenter Roeck Committed by Kishon Vijay Abraham I
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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: default avatarGuenter Roeck <groeck@chromium.org>
Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
parent af9b9285

include/linux/extcon.h

+7 −1
Original line number Diff line number Diff line
@@ -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. */