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authorb02247 <b02247@freescale.com>2012-07-04 14:56:46 +0800
committerb02247 <b02247@freescale.com>2012-07-04 15:28:10 +0800
commitdba56b23388deba7686e0ac28e542bb566eb1d7c (patch)
treed5868b31ca789587ee38174c9d0e7d9608663aae
parent641e97a8026abf6d0dabcf1c4abf228b0813686b (diff)
ENGR00215740 enable the keypad as wake up source
enable the keypad as wake up source Signed-off-by: b02247 <b02247@freescale.com>
-rw-r--r--drivers/input/keyboard/imx_keypad.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c
index d92c15c39e68..37f61efba838 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -567,10 +567,42 @@ static int __devexit imx_keypad_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM
+static int imx_keypad_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct imx_keypad *keypad = platform_get_drvdata(pdev);
+
+ if (device_may_wakeup(&pdev->dev))
+ enable_irq_wake(keypad->irq);
+
+ return 0;
+}
+
+static int imx_keypad_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct imx_keypad *keypad = platform_get_drvdata(pdev);
+
+ if (device_may_wakeup(&pdev->dev))
+ disable_irq_wake(keypad->irq);
+
+ return 0;
+}
+
+static const struct dev_pm_ops imx_keypad_pm_ops = {
+ .suspend = imx_keypad_suspend,
+ .resume = imx_keypad_resume,
+};
+#endif
+
static struct platform_driver imx_keypad_driver = {
.driver = {
.name = "imx-keypad",
.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &imx_keypad_pm_ops,
+#endif
},
.probe = imx_keypad_probe,
.remove = __devexit_p(imx_keypad_remove),