linux-kernel - [PATCH] Input: twl4030-pwrbutton: ensure a wakeup event is recorded.

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Message-ID: <20141108104015.635a7388@notabene.brown>
Date:	Sat, 8 Nov 2014 10:40:15 +1100
From:	NeilBrown <neilb@...e.de>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	GTA04 owners <gta04-owner@...delico.com>
Subject: [PATCH] Input: twl4030-pwrbutton: ensure a wakeup event is
 recorded.



This button is treated as a wakeup source, so we need to initialise it
correctly.

Without the device_init_wakeup() call, dev->power.wakeup will
be NULL, and pm_wakeup_event() will do nothing.

Signed-off-by: NeilBrown <neilb@...e.de>

diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
index fb3b63b2f85c..8400a1a34d87 100644
--- a/drivers/input/misc/twl4030-pwrbutton.c
+++ b/drivers/input/misc/twl4030-pwrbutton.c
@@ -85,6 +85,7 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev)
 	}
 
 	platform_set_drvdata(pdev, pwr);
+	device_init_wakeup(&pdev->dev, true);
 
 	return 0;
 }

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