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Subject[PATCH v3] gpio-charger: Add gpio_charger_resume
Date
Gpio charger should notify if the gpio state had changed
during suspend. This will send a CHANGED event each time
the system resumes, ensuring a plug/unplug of the charger
is not missed.

Signed-off-by: Benson Leung <bleung@chromium.org>

--
Version history :
v3 : Use SIMPLE_DEV_PM_OPS
v2 : Changed to use dev_ms_ops
v1 : Initial
---
drivers/power/gpio-charger.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index 25b88ac..718f2c5 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -161,12 +161,27 @@ static int __devexit gpio_charger_remove(struct platform_device *pdev)
return 0;
}

+#ifdef CONFIG_PM_SLEEP
+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);
+
+ power_supply_changed(&gpio_charger->charger);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(gpio_charger_pm_ops, NULL, gpio_charger_resume);
+
static struct platform_driver gpio_charger_driver = {
.probe = gpio_charger_probe,
.remove = __devexit_p(gpio_charger_remove),
.driver = {
.name = "gpio-charger",
.owner = THIS_MODULE,
+ .pm = &gpio_charger_pm_ops,
},
};

--
1.7.1


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