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path: root/drivers/input/keyboard/imx_keypad.c
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Diffstat (limited to 'drivers/input/keyboard/imx_keypad.c')
-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),