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authorKevin Liu <kliu5@marvell.com>2012-03-05 22:24:54 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-05 22:32:54 -0800
commitadab30d73844076b6ca9cd3e6382f5db3a44ded4 (patch)
treed15cf66b45c135879e600f42cb5c275e995c93f9 /drivers/input/misc/max8925_onkey.c
parentfa3e44f391149dd49fd053aef55c42479753d45a (diff)
downloadop-kernel-dev-adab30d73844076b6ca9cd3e6382f5db3a44ded4.zip
op-kernel-dev-adab30d73844076b6ca9cd3e6382f5db3a44ded4.tar.gz
Input: max8925_onkey - allow to be used as a wakeup source
Implement suspend and resume methods to set up devices as wakeup source. Signed-off-by: Kevin Liu <kliu5@marvell.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/misc/max8925_onkey.c')
-rw-r--r--drivers/input/misc/max8925_onkey.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/input/misc/max8925_onkey.c b/drivers/input/misc/max8925_onkey.c
index 23cf082..2717477 100644
--- a/drivers/input/misc/max8925_onkey.c
+++ b/drivers/input/misc/max8925_onkey.c
@@ -122,6 +122,7 @@ static int __devinit max8925_onkey_probe(struct platform_device *pdev)
info->idev->evbit[0] = BIT_MASK(EV_KEY);
info->idev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
+ device_init_wakeup(&pdev->dev, 1);
error = input_register_device(info->idev);
if (error) {
@@ -158,10 +159,43 @@ static int __devexit max8925_onkey_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int max8925_onkey_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct max8925_onkey_info *info = platform_get_drvdata(pdev);
+ struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+
+ if (device_may_wakeup(dev)) {
+ chip->wakeup_flag |= 1 << (info->irq[0] - chip->irq_base);
+ chip->wakeup_flag |= 1 << (info->irq[1] - chip->irq_base);
+ }
+
+ return 0;
+}
+
+static int max8925_onkey_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct max8925_onkey_info *info = platform_get_drvdata(pdev);
+ struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+
+ if (device_may_wakeup(dev)) {
+ chip->wakeup_flag &= ~(1 << (info->irq[0] - chip->irq_base));
+ chip->wakeup_flag &= ~(1 << (info->irq[1] - chip->irq_base));
+ }
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(max8925_onkey_pm_ops, max8925_onkey_suspend, max8925_onkey_resume);
+
static struct platform_driver max8925_onkey_driver = {
.driver = {
.name = "max8925-onkey",
.owner = THIS_MODULE,
+ .pm = &max8925_onkey_pm_ops,
},
.probe = max8925_onkey_probe,
.remove = __devexit_p(max8925_onkey_remove),
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