linux-kernel - [PATCH 3.16.y-ckt 174/180] Input: twl4030-pwrbutton

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Message-Id: <1430991989-23170-175-git-send-email-luis.henriques@canonical.com>
Date:	Thu,  7 May 2015 10:46:23 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	NeilBrown <neilb@...e.de>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 174/180] Input: twl4030-pwrbutton - ensure a wakeup event is recorded.

3.16.7-ckt11 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: NeilBrown <neilb@...e.de>

commit c42bfd7f6cd26e8f712fc184460e32845d928d17 upstream.

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>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/input/misc/twl4030-pwrbutton.c | 1 +
 1 file changed, 1 insertion(+)

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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