diff options
| author | Guenter Roeck <groeck@chromium.org> | 2016-08-15 16:15:35 +0300 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2016-08-18 04:23:36 +0300 |
| commit | 8457a1b49a2af0a0e71f80afed9f7c80de361610 (patch) | |
| tree | 65acd49d48a47dec0843d8f6183d2b9d44407692 /include/linux/extcon.h | |
| parent | 7fe95fb889faf07ee438384858d38b820973397e (diff) | |
| download | linux-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.h | 8 |
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. */ |