linux-kernel - [PATCH 34/51] extcon: Add new EXTCON_DISP

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Date:   Wed, 14 Sep 2016 13:14:15 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     <gregkh@...uxfoundation.org>
CC:     <kishon@...com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 34/51] extcon: Add new EXTCON_DISP_HMD for Head-mounted Display device

From: Chanwoo Choi <cw00.choi@...sung.com>

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>
Signed-off-by: Kishon Vijay Abraham I <kishon@...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 a0a1eea..10ba876 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 ad7a160..e79b644 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
-- 
1.7.9.5