Signed-off-by: eric miao <eric.miao@xxxxxxxxxxx>
---
Dmitry, please let me know when this gets merged, thanks.
drivers/input/keyboard/pxa27x_keypad.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 3dea0c5..27aa540 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -105,6 +105,8 @@ struct pxa27x_keypad {
struct input_dev *input_dev;
void __iomem *mmio_base;
+ int irq;
+
/* matrix key code map */
unsigned int matrix_keycodes[MAX_MATRIX_KEY_NUM];
@@ -385,6 +387,9 @@ static int pxa27x_keypad_suspend(struct platform_device *pdev, pm_message_t stat
struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
clk_disable(keypad->clk);
+
+ if (device_may_wakeup(&pdev->dev))
+ enable_irq_wake(keypad->irq);
return 0;
}
@@ -393,6 +398,9 @@ static int pxa27x_keypad_resume(struct platform_device *pdev)
struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
struct input_dev *input_dev = keypad->input_dev;
+ if (device_may_wakeup(&pdev->dev))
+ disable_irq_wake(keypad->irq);
+
mutex_lock(&input_dev->mutex);
if (input_dev->users) {
@@ -497,6 +505,8 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
goto failed_free_dev;
}
+ keypad->irq = irq;
+
/* Register the input device */
error = input_register_device(input_dev);
if (error) {
@@ -504,6 +514,7 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
goto failed_free_irq;
}
+ device_init_wakeup(&pdev->dev, 1);
return 0;
failed_free_irq:
@@ -527,7 +538,7 @@ static int __devexit pxa27x_keypad_remove(struct platform_device *pdev)
struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
struct resource *res;
- free_irq(platform_get_irq(pdev, 0), pdev);
+ free_irq(keypad->irq, pdev);
clk_disable(keypad->clk);
clk_put(keypad->clk);
--
1.5.4.3
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