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authorGuenter Roeck <groeck@chromium.org>2016-08-15 16:15:35 +0300
committerChanwoo Choi <cw00.choi@samsung.com>2016-08-18 04:23:36 +0300
commit8457a1b49a2af0a0e71f80afed9f7c80de361610 (patch)
tree65acd49d48a47dec0843d8f6183d2b9d44407692 /include/linux/extcon.h
parent7fe95fb889faf07ee438384858d38b820973397e (diff)
downloadlinux-8457a1b49a2af0a0e71f80afed9f7c80de361610.tar.xz
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>
Diffstat (limited to 'include/linux/extcon.h')
-rw-r--r--include/linux/extcon.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 461abee969b7..b34d1ae9011f 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. */