linux-kernel - [PATCH] extcon: Add EXTCON_DISP_CVBS and EXTCON_DISP

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Message-Id: <20220708095714.127736-1-michael@allwinnertech.com>
Date:   Fri,  8 Jul 2022 17:57:14 +0800
From:   Michael Wu <michael@...winnertech.com>
To:     myungjoo.ham@...sung.com, cw00.choi@...sung.com
Cc:     linux-kernel@...r.kernel.org,
        allwinner-opensource-support@...winnertech.com
Subject: [PATCH] extcon: Add EXTCON_DISP_CVBS and EXTCON_DISP_EDP

Add EXTCON_DISP_CVBS for Composite Video Broadcast Signal.
Add EXTCON_DISP_EDP for Embedded Display Port

[1] https://en.wikipedia.org/wiki/Composite_video
[2] https://en.wikipedia.org/wiki/DisplayPort#eDP

Signed-off-by: Michael Wu <michael@...winnertech.com>
---
 drivers/extcon/extcon.c | 10 ++++++++++
 include/linux/extcon.h  |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index d3a32b8064994..774607a616f7b 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -167,6 +167,16 @@ static const struct __extcon_info {
 		.id = EXTCON_DISP_HMD,
 		.name = "HMD",
 	},
+	[EXTCON_DISP_CVBS] = {
+		.type = EXTCON_TYPE_DISP,
+		.id = EXTCON_DISP_CVBS,
+		.name = "CVBS",
+	},
+	[EXTCON_DISP_EDP] = {
+		.type = EXTCON_TYPE_DISP,
+		.id = EXTCON_DISP_EDP,
+		.name = "EDP",
+	},
 
 	/* Miscellaneous external connector */
 	[EXTCON_DOCK] = {
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 685401d94d398..3c45c3846fe94 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -76,6 +76,8 @@
 #define EXTCON_DISP_VGA		43	/* Video Graphics Array */
 #define EXTCON_DISP_DP		44	/* Display Port */
 #define EXTCON_DISP_HMD		45	/* Head-Mounted Display */
+#define EXTCON_DISP_CVBS	46	/* Composite Video Broadcast Signal */
+#define EXTCON_DISP_EDP		47	/* Embedded Display Port */
 
 /* Miscellaneous external connector */
 #define EXTCON_DOCK		60
-- 
2.29.0