From: Chris Zhong Date: Thu, 21 Jul 2016 16:13:02 +0000 (+0900) Subject: FROMLIST: extcon: Add EXTCON_DISP_DP and the property for USB Type-C X-Git-Tag: firefly_0821_release~1992 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=454f1b61ddbf79e42b8351836ee52a7a20f61a17;p=firefly-linux-kernel-4.4.55.git FROMLIST: extcon: Add EXTCON_DISP_DP and the property for USB Type-C Add EXTCON_DISP_DP for the Display external connector. For Type-C connector the DisplayPort can work as an Alternate Mode(VESA DisplayPort Alt Mode on USB Type-C Standard). The Type-C support both normal and flipped orientation, so add a property to extcon. Change-Id: I490f82cdf278aa84db9c21ba8d0b7b0e9dfa4cff Signed-off-by: Chris Zhong Signed-off-by: Chanwoo Choi Tested-by: Chris Zhong Tested-by: Guenter Roeck Reviewed-by: Guenter Roeck (cherry picked from commit e49de5133573 git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon.git extcon-test) Signed-off-by: Guenter Roeck --- diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index ec35bfda9701..519ac5c8bed1 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -157,6 +157,11 @@ struct __extcon_info { .id = EXTCON_DISP_VGA, .name = "VGA", }, + [EXTCON_DISP_DP] = { + .type = EXTCON_TYPE_DISP | EXTCON_TYPE_USB, + .id = EXTCON_DISP_DP, + .name = "DP", + }, /* Miscellaneous external connector */ [EXTCON_DOCK] = { diff --git a/include/linux/extcon.h b/include/linux/extcon.h index 664db79940b4..950f8491fa6a 100644 --- a/include/linux/extcon.h +++ b/include/linux/extcon.h @@ -69,6 +69,7 @@ #define EXTCON_DISP_MHL 41 /* Mobile High-Definition Link */ #define EXTCON_DISP_DVI 42 /* Digital Visual Interface */ #define EXTCON_DISP_VGA 43 /* Video Graphics Array */ +#define EXTCON_DISP_DP 44 /* Display Port */ /* Miscellaneous external connector */ #define EXTCON_DOCK 60 @@ -106,12 +107,17 @@ * @type: integer (intval) * @value: 0 (low) or 1 (high) * @default: 0 (low) + * - EXTCON_PROP_USB_TYPEC_POLARITY + * @type: integer (intval) + * @value: 0 (normal) or 1 (flip) + * @default: 0 (normal) */ #define EXTCON_PROP_USB_ID 0 #define EXTCON_PROP_USB_VBUS 1 +#define EXTCON_PROP_USB_TYPEC_POLARITY 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. */