From: Erik Gilling <konkers@android.com>
Date: Mon, 11 Apr 2011 22:15:15 +0000 (-0700)
Subject: video: tegra: add debouncing to hdmi hotplug
X-Git-Tag: firefly_0821_release~9833^2~16^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bcc43282405c2329eb2e4e9e72ca9b0f5ea651ef;p=firefly-linux-kernel-4.4.55.git

video: tegra: add debouncing to hdmi hotplug

Change-Id: Ic998e183e79faabc36d96720dcbae2640e8cf419
Signed-off-by: Erik Gilling <konkers@android.com>
---

diff --git a/drivers/video/tegra/dc/hdmi.c b/drivers/video/tegra/dc/hdmi.c
index 8ae17f97ab6f..ba2dc19072f9 100644
--- a/drivers/video/tegra/dc/hdmi.c
+++ b/drivers/video/tegra/dc/hdmi.c
@@ -494,10 +494,13 @@ static irqreturn_t tegra_dc_hdmi_irq(int irq, void *ptr)
 	if (hdmi->suspended) {
 		hdmi->hpd_pending = true;
 	} else {
+		cancel_delayed_work(&hdmi->work);
 		if (tegra_dc_hdmi_hpd(dc))
-			schedule_delayed_work(&hdmi->work, msecs_to_jiffies(100));
+			queue_delayed_work(system_nrt_wq, &hdmi->work,
+					   msecs_to_jiffies(100));
 		else
-			schedule_delayed_work(&hdmi->work, msecs_to_jiffies(0));
+			queue_delayed_work(system_nrt_wq, &hdmi->work,
+					   msecs_to_jiffies(30));
 	}
 	spin_unlock_irqrestore(&hdmi->suspend_lock, flags);
 
@@ -524,9 +527,11 @@ static void tegra_dc_hdmi_resume(struct tegra_dc *dc)
 	hdmi->suspended = false;
 	if (hdmi->hpd_pending) {
 		if (tegra_dc_hdmi_hpd(dc))
-			schedule_delayed_work(&hdmi->work, msecs_to_jiffies(100));
+			queue_delayed_work(system_nrt_wq, &hdmi->work,
+					   msecs_to_jiffies(100));
 		else
-			schedule_delayed_work(&hdmi->work, msecs_to_jiffies(0));
+			queue_delayed_work(system_nrt_wq, &hdmi->work,
+					   msecs_to_jiffies(30));
 		hdmi->hpd_pending = false;
 	}
 	spin_unlock_irqrestore(&hdmi->suspend_lock, flags);