From: Michael Hennerich

Signed-off-by: Michael Hennerich
Signed-off-by: Bryan Wu
---
drivers/input/keyboard/bf54x-keys.c | 36 ++++++++++++++++++++++++++++++++--
1 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index 05e3494..2db5d37 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -312,6 +312,8 @@ static int __devinit bfin_kpad_probe(struct platform_device *pdev)

bfin_write_KPAD_CTL(bfin_read_KPAD_CTL() | KPAD_EN);

+ device_init_wakeup(&pdev->dev, 1);
+
printk(KERN_ERR DRV_NAME
": Blackfin BF54x Keypad registered IRQ %d\n", bf54x_kpad->irq);

@@ -354,12 +356,40 @@ static int __devexit bfin_kpad_remove(struct platform_device *pdev)
return 0;
}

+#ifdef CONFIG_PM
+static int bfin_kpad_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev);
+
+ if (device_may_wakeup(&pdev->dev))
+ enable_irq_wake(bf54x_kpad->irq);
+
+ return 0;
+}
+
+static int bfin_kpad_resume(struct platform_device *pdev)
+{
+ struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev);
+
+ if (device_may_wakeup(&pdev->dev))
+ disable_irq_wake(bf54x_kpad->irq);
+
+ return 0;
+}
+#else
+# define bfin_kpad_suspend NULL
+# define bfin_kpad_resume NULL
+#endif
+
struct platform_driver bfin_kpad_device_driver = {
- .probe = bfin_kpad_probe,
- .remove = __devexit_p(bfin_kpad_remove),
.driver = {
.name = DRV_NAME,
- }
+ .owner = THIS_MODULE,
+ },
+ .probe = bfin_kpad_probe,
+ .remove = __devexit_p(bfin_kpad_remove),
+ .suspend = bfin_kpad_suspend,
+ .resume = bfin_kpad_resume,
};

static int __init bfin_kpad_init(void)
--
1.5.4.3
--
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