[PATCH] extcon: Introduce EXTCON_PROP_DISP_HPD property

[Chris Zhong]

EXTCON_PROP_DISP_HPD is need by display port, if the system has no hpd
interrupt, this property can be used.

Change-Id: I8b3eb78429126eaa369b10711b7f857b0a3df8ed
Signed-off-by: Chris Zhong <zyw@xxxxxxxxxxxxxx>
---
 include/linux/extcon.h | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 9147c42..4411893 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -131,9 +131,21 @@
 #define EXTCON_PROP_JACK_MAX		100
 #define EXTCON_PROP_JACK_CNT (EXTCON_PROP_JACK_MAX - EXTCON_PROP_JACK_MIN + 1)
 
+/*
+ * Properties of EXTCON_TYPE_DISP.
+ *
+ * - EXTCON_PROP_DISP_HPD
+ * @type:       integer (intval)
+ * @value:      0 (no hpd) or 1 (hpd)
+ * @default:    0 (no hpd)
+ *
+ */
+
+#define EXTCON_PROP_DISP_HPD		150
+
 /* Properties of EXTCON_TYPE_DISP. */
 #define EXTCON_PROP_DISP_MIN		150
-#define EXTCON_PROP_DISP_MAX		150
+#define EXTCON_PROP_DISP_MAX		151
 #define EXTCON_PROP_DISP_CNT (EXTCON_PROP_DISP_MAX - EXTCON_PROP_DISP_MIN + 1)
 
 /*
-- 
1.9.1