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authorEric Miao <eric.y.miao@gmail.com>2008-06-02 19:20:55 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-06-02 19:20:55 +0400
commit39ab9ddeb3e9573a1ea9a17a1431ea5c81681964 (patch)
treecf5b84c00487e5253369276dc66ea96442a1f43c /drivers/input/keyboard
parente8ef4347099584b49ecf74144ad2089b724292cf (diff)
downloadlinux-39ab9ddeb3e9573a1ea9a17a1431ea5c81681964.tar.xz
Input: pxa27x_keypad - add wakeup support
Signed-off-by: Eric Miao <eric.miao@marvell.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r--drivers/input/keyboard/pxa27x_keypad.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 3dea0c5077a9..c7c9599b315d 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 +387,10 @@ 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 +399,9 @@ 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 +506,8 @@ 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 +515,8 @@ 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 +540,7 @@ 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);