From: Roger Quadros <rogerq@ti.com>
Date: Mon, 11 Apr 2016 14:04:45 +0000 (+0300)
Subject: extcon: usb-gpio: Don't miss event during suspend/resume
X-Git-Tag: v4.8-rc1~194^2~5^2~12
X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=04c080080855ce84dcd490a2e04805608a21085d;hp=12bd0f323b855ee548367f48062cf58cae5acda8;p=cascardo%2Flinux.git

extcon: usb-gpio: Don't miss event during suspend/resume

Pin state might have changed during suspend/resume while
our interrupts were disabled and if device doesn't support wakeup.

Scan for change during resume for such case.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---

diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c
index bc61d1165d73..bad2159d3611 100644
--- a/drivers/extcon/extcon-usb-gpio.c
+++ b/drivers/extcon/extcon-usb-gpio.c
@@ -185,6 +185,9 @@ static int usb_extcon_resume(struct device *dev)
 	int ret = 0;
 
 	enable_irq(info->id_irq);
+	if (!device_may_wakeup(dev))
+		queue_delayed_work(system_power_efficient_wq,
+				   &info->wq_detcable, 0);
 
 	return ret;
 }