From: Qiufang Dai <qiufang.dai@amlogic.com>
Date: Fri, 14 Dec 2018 09:19:28 +0000 (+0800)
Subject: suspend: remote: do not do suspend action under freeze mode [1/1]
X-Git-Tag: hardkernel-4.9.236-104~2007
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c6412a36ec2bd11387e927d12d216ef41fedba8b;p=platform%2Fkernel%2Flinux-amlogic.git

suspend: remote: do not do suspend action under freeze mode [1/1]

PD#SWPL-2399

Problem:
Miss IR (power) key value when wakeup from freeze.

Solution:
Do not suspend/resume IR device under freeze mode

Verify:
x301_tl1

Change-Id: I7bdf0b847fa1a8b96bb2896426e15faf8143e820
Signed-off-by: Qiufang Dai <qiufang.dai@amlogic.com>
---

diff --git a/drivers/amlogic/input/remote/remote_meson.c b/drivers/amlogic/input/remote/remote_meson.c
index 43a360d..6a7e416 100644
--- a/drivers/amlogic/input/remote/remote_meson.c
+++ b/drivers/amlogic/input/remote/remote_meson.c
@@ -704,6 +704,9 @@ static int remote_resume(struct device *dev)
 	unsigned long flags;
 	unsigned char cnt;
 
+	if (is_pm_freeze_mode())
+		return 0;
+
 	dev_info(dev, "remote resume\n");
 	/*resume register config*/
 	spin_lock_irqsave(&chip->slock, flags);
@@ -742,6 +745,9 @@ static int remote_suspend(struct device *dev)
 {
 	struct remote_chip *chip = dev_get_drvdata(dev);
 
+	if (is_pm_freeze_mode())
+		return 0;
+
 	dev_info(dev, "remote suspend\n");
 	disable_irq(chip->irqno);
 	return 0;
diff --git a/include/linux/amlogic/pm.h b/include/linux/amlogic/pm.h
index 2d71273..dd1d1d3 100644
--- a/include/linux/amlogic/pm.h
+++ b/include/linux/amlogic/pm.h
@@ -51,6 +51,8 @@ struct early_suspend {
 extern void register_early_suspend(struct early_suspend *handler);
 extern void unregister_early_suspend(struct early_suspend *handler);
 extern unsigned int lgcy_early_suspend_init(void);
+extern unsigned int is_pm_freeze_mode(void);
+
 
 #endif //CONFIG_AMLOGIC_LEGACY_EARLY_SUSPEND