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From: Chris Zhong <zyw@rock-chips.com>
To: myungjoo.ham@samsung.com, linux@roeck-us.net, cw00.choi@samsung.com
Cc: linux-kernel@vger.kernel.org, cpgs@samsung.com,
	groeck@chromium.org, Chris Zhong <zyw@rock-chips.com>
Subject: [PATCH] extcon: Introduce EXTCON_PROP_DISP_HPD property
Date: Fri,  9 Sep 2016 17:33:50 -0700	[thread overview]
Message-ID: <1473467630-29675-1-git-send-email-zyw@rock-chips.com> (raw)

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@rock-chips.com>
---
 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

             reply	other threads:[~2016-09-10  0:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20160910003427epcas1p24ea63646e269802afb56104fd9096471@epcas1p2.samsung.com>
2016-09-10  0:33 ` Chris Zhong [this message]
2016-09-10  3:07   ` Guenter Roeck
2016-09-12  1:03   ` Chanwoo Choi
2016-09-12  2:23     ` Chanwoo Choi
2016-09-12  2:29       ` Guenter Roeck
2016-09-12  2:40         ` Chanwoo Choi

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