lkml.org 
[lkml]   [2011]   [Apr]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2] 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 :
v2 : Changed to use dev_pm_ops
v1 : Initial
---
drivers/power/gpio-charger.c | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index 25b88ac..df29059 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -161,12 +161,32 @@ static int __devexit gpio_charger_remove(struct platform_device *pdev)
return 0;
}

+#if defined(CONFIG_PM)
+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;
+}
+
+static const struct dev_pm_ops gpio_charger_pm_ops = {
+ .resume = gpio_charger_resume,
+};
+#endif
+
+
static struct platform_driver gpio_charger_driver = {
.probe = gpio_charger_probe,
.remove = __devexit_p(gpio_charger_remove),
.driver = {
.name = "gpio-charger",
.owner = THIS_MODULE,
+#if defined(CONFIG_PM)
+ .pm = &gpio_charger_pm_ops,
+#endif
},
};

--
1.7.1


\
 
 \ /
  Last update: 2011-04-03 04:17    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site