aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/power/gpio-charger.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/power/gpio-charger.c')
-rw-r--r--drivers/power/gpio-charger.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index 4e858a23568f..a0024b252197 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -28,6 +28,7 @@
struct gpio_charger {
const struct gpio_charger_platform_data *pdata;
unsigned int irq;
+ bool wakeup_enabled;
struct power_supply charger;
};
@@ -136,6 +137,8 @@ static int gpio_charger_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, gpio_charger);
+ device_init_wakeup(&pdev->dev, 1);
+
return 0;
err_gpio_free:
@@ -159,18 +162,32 @@ static int gpio_charger_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM_SLEEP
+static int gpio_charger_suspend(struct device *dev)
+{
+ struct gpio_charger *gpio_charger = dev_get_drvdata(dev);
+
+ if (device_may_wakeup(dev))
+ gpio_charger->wakeup_enabled =
+ enable_irq_wake(gpio_charger->irq);
+
+ return 0;
+}
+
static int gpio_charger_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
+ if (gpio_charger->wakeup_enabled)
+ disable_irq_wake(gpio_charger->irq);
power_supply_changed(&gpio_charger->charger);
return 0;
}
#endif
-static SIMPLE_DEV_PM_OPS(gpio_charger_pm_ops, NULL, gpio_charger_resume);
+static SIMPLE_DEV_PM_OPS(gpio_charger_pm_ops,
+ gpio_charger_suspend, gpio_charger_resume);
static struct platform_driver gpio_charger_driver = {
.probe = gpio_charger_probe,

Privacy Policy