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path: root/drivers/power
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Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/pda_power.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index d98622f9f31..35dc25973f3 100644
--- a/drivers/power/pda_power.c
+++ b/drivers/power/pda_power.c
@@ -207,6 +207,8 @@ static int pda_power_probe(struct platform_device *pdev)
}
}
+ device_init_wakeup(&pdev->dev, 1);
+
return 0;
usb_irq_failed:
@@ -239,12 +241,43 @@ static int pda_power_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM
+static int pda_power_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ if (device_may_wakeup(&pdev->dev)) {
+ if (ac_irq)
+ enable_irq_wake(ac_irq->start);
+ if (usb_irq)
+ enable_irq_wake(usb_irq->start);
+ }
+
+ return 0;
+}
+
+static int pda_power_resume(struct platform_device *pdev)
+{
+ if (device_may_wakeup(&pdev->dev)) {
+ if (usb_irq)
+ disable_irq_wake(usb_irq->start);
+ if (ac_irq)
+ disable_irq_wake(ac_irq->start);
+ }
+
+ return 0;
+}
+#else
+#define pda_power_suspend NULL
+#define pda_power_resume NULL
+#endif /* CONFIG_PM */
+
static struct platform_driver pda_power_pdrv = {
.driver = {
.name = "pda-power",
},
.probe = pda_power_probe,
.remove = pda_power_remove,
+ .suspend = pda_power_suspend,
+ .resume = pda_power_resume,
};
static int __init pda_power_init(void)