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Subject[PATCH] 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>
---
drivers/power/gpio-charger.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index 25b88ac..e83c892 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -161,9 +161,26 @@ static int __devexit gpio_charger_remove(struct platform_device *pdev)
return 0;
}

+#if defined CONFIG_PM
+static int gpio_charger_resume(struct platform_device *pdev)
+{
+ struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
+
+ power_supply_changed(&gpio_charger->charger);
+
+ return 0;
+}
+#else
+#define gpio_charger_resume NULL
+#endif
+#define gpio_charger_suspend NULL
+
+
static struct platform_driver gpio_charger_driver = {
.probe = gpio_charger_probe,
.remove = __devexit_p(gpio_charger_remove),
+ .suspend = gpio_charger_suspend,
+ .resume = gpio_charger_resume,
.driver = {
.name = "gpio-charger",
.owner = THIS_MODULE,
--
1.7.1


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