summary refs log tree commit diff
path: root/drivers/power/gpio-charger.c
diff options
context:
space:
mode:
authorBenson Leung <bleung@chromium.org>2011-04-06 16:55:20 -0700
committerAnton Vorontsov <cbouatmailru@gmail.com>2011-04-20 17:48:48 +0400
commitf10513de2a6036742b55e23278f0322f2e5c3772 (patch)
treeb6dbabbc55df2715e02871fc83a2c4bd742564e2 /drivers/power/gpio-charger.c
parentb14a9ccc1ddddfbc76b7cae06d02db4adf0ae1db (diff)
downloadlinux-f10513de2a6036742b55e23278f0322f2e5c3772.tar.gz
gpio-charger: Add gpio_charger_resume
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>
Acked-By: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'drivers/power/gpio-charger.c')
-rw-r--r--drivers/power/gpio-charger.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index 25b88ac1d44c..718f2c537827 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,
 	},
 };