linux-kernel - [PATCH] extcon: Add the new EXTCON_DISP

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Message-id: <1470387227-12362-1-git-send-email-cw00.choi@samsung.com>
Date:	Fri, 05 Aug 2016 17:53:47 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	linux-kernel@...r.kernel.org
Cc:	cw00.choi@...sung.com, chanwoo@...nel.org, myungjoo.ham@...sung.com
Subject: [PATCH] extcon: Add the new EXTCON_DISP_HMD for Head-mounted Display
 device

This patch adds the new EXTCON_DISP_HMD id for Head-mounted Display[1] device.
The HMD device is usually for USB connector type So, the HMD connector
has the two extcon types of both EXTCON_TYPE_DISP and EXTCON_TYPE_USB.

[1] https://en.wikipedia.org/wiki/Head-mounted_display

Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
---
 drivers/extcon/extcon.c | 5 +++++
 include/linux/extcon.h  | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index a0a1eea18727..10ba876ea77a 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -162,6 +162,11 @@ struct __extcon_info {
 		.id = EXTCON_DISP_DP,
 		.name = "DP",
 	},
+	[EXTCON_DISP_HMD] = {
+		.type = EXTCON_TYPE_DISP | EXTCON_TYPE_USB,
+		.id = EXTCON_DISP_HMD,
+		.name = "HMD",
+	},
 
 	/* Miscellaneous external connector */
 	[EXTCON_DOCK] = {
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index ad7a1606a7f3..e79b644f41a7 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -70,6 +70,7 @@
 #define EXTCON_DISP_DVI		42	/* Digital Visual Interface */
 #define EXTCON_DISP_VGA		43	/* Video Graphics Array */
 #define EXTCON_DISP_DP		44	/* Display Port */
+#define EXTCON_DISP_HMD		45	/* Head-Mounted Display */
 
 /* Miscellaneous external connector */
 #define EXTCON_DOCK		60
-- 
1.9.1