From: Chris Zhong <zyw@rock-chips.com>
Date: Thu, 24 Nov 2016 06:22:51 +0000 (+0800)
Subject: drm/rockchip: cdn-dp: add hdmi-codec jack event
X-Git-Tag: firefly_0821_release~1033
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=5da8af22eb17f09f7873857ae14006316966639b;p=firefly-linux-kernel-4.4.55.git

drm/rockchip: cdn-dp: add hdmi-codec jack event

Use HDMI connection / disconnection notifications to update an ALSA
jack object.

Change-Id: Ia18537be1ddb899b7ac490560bf91d7de83eae02
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
---

diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index 316a7ca26b0a..32a4e5f2cafa 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -23,6 +23,7 @@
 #include <linux/component.h>
 #include <linux/extcon.h>
 #include <linux/firmware.h>
+#include <linux/hdmi-notifier.h>
 #include <linux/regmap.h>
 #include <linux/reset.h>
 #include <linux/mfd/syscon.h>
@@ -653,6 +654,8 @@ static void cdn_dp_encoder_enable(struct drm_encoder *encoder)
 	}
 out:
 	mutex_unlock(&dp->lock);
+	if (!ret)
+		hdmi_event_connect(dp->dev);
 }
 
 static void cdn_dp_encoder_disable(struct drm_encoder *encoder)
@@ -669,6 +672,7 @@ static void cdn_dp_encoder_disable(struct drm_encoder *encoder)
 		}
 	}
 	mutex_unlock(&dp->lock);
+	hdmi_event_disconnect(dp->dev);
 
 	/*
 	 * In the following 2 cases, we need to run the event_work to re-enable