Subject: pcf50606_rebase_changes,patch

X-Git-Url: http://git.openmoko.org/?p=kernel.git;a=commitdiff_plain;h=938eddf17625cce0307f7612a3ea2560384e2384

pcf50606_rebase_changes,patch

This patch brings into andy-tracking all changes related to pcf50606 from old
balaji-tracking.

1 files changed, 114 insertions, 0 deletions

diff --git a/drivers/power/gta01_battery.c b/drivers/power/gta01_battery.c
new file mode 100644
index 00000000000..126b1721f8d
--- /dev/null
+++ b/drivers/power/gta01_battery.c
@@ -0,0 +1,114 @@
+/*
+ * Dumb driver for gta01 battery
+ *
+ * Copyright 2009 Openmoko, Inc
+ * Balaji Rao <balajirrao@openmoko.org>
+ */
+
+#include <linux/module.h>
+#include <linux/param.h>
+#include <linux/delay.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/gta01_battery.h>
+
+struct gta01_battery {
+	struct power_supply psy;
+	struct gta01_bat_platform_data *pdata;
+};
+
+static enum power_supply_property gta01_bat_props[] = {
+	POWER_SUPPLY_PROP_STATUS,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_CURRENT_NOW,
+};
+
+static int gta01_bat_get_property(struct power_supply *psy,
+				       enum power_supply_property psp,
+				       union power_supply_propval *val)
+{
+	struct gta01_battery *bat = container_of(psy, struct gta01_battery, psy);
+	
+	switch(psp) {
+	case POWER_SUPPLY_PROP_STATUS:
+		if (bat->pdata->get_charging_status())
+			val->intval = POWER_SUPPLY_STATUS_CHARGING;
+		else
+			val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		val->intval = bat->pdata->get_voltage();
+		break;
+	case POWER_SUPPLY_PROP_CURRENT_NOW:
+		val->intval = bat->pdata->get_current();
+		break;
+	default:
+		printk(KERN_ERR "Unknown property benig asked for\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void gta01_bat_ext_changed(struct power_supply *psy)
+{
+	struct gta01_battery *bat = container_of(psy, struct gta01_battery, psy);
+	power_supply_changed(&bat->psy);
+}
+
+static int gta01_battery_probe(struct platform_device *pdev)
+{
+	struct gta01_battery *gta01_bat;
+
+	gta01_bat = kzalloc(sizeof(*gta01_bat), GFP_KERNEL);
+	if (!gta01_bat)
+		return -ENOMEM;
+
+	gta01_bat->psy.name = "battery";
+	gta01_bat->psy.type = POWER_SUPPLY_TYPE_BATTERY;
+	gta01_bat->psy.properties = gta01_bat_props;
+	gta01_bat->psy.num_properties = ARRAY_SIZE(gta01_bat_props);
+	gta01_bat->psy.get_property = gta01_bat_get_property;
+	gta01_bat->psy.external_power_changed = gta01_bat_ext_changed;
+
+	gta01_bat->pdata = pdev->dev.platform_data;
+	power_supply_register(&pdev->dev, &gta01_bat->psy);
+
+	return 0;
+}
+
+static int gta01_battery_remove(struct platform_device *pdev)
+{
+	struct gta01_battery *bat = platform_get_drvdata(pdev);
+
+	power_supply_unregister(&bat->psy);
+	kfree(bat);
+
+	return 0;
+}
+
+static struct platform_driver gta01_battery_driver = {
+	.driver = {
+		.name = "gta01_battery",
+	},
+	.probe	  = gta01_battery_probe,
+	.remove   = gta01_battery_remove,
+};
+
+static int __init gta01_battery_init(void)
+{
+	return platform_driver_register(&gta01_battery_driver);
+}
+
+static void __exit gta01_battery_exit(void)
+{
+	platform_driver_unregister(&gta01_battery_driver);
+}
+
+module_init(gta01_battery_init);
+module_exit(gta01_battery_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");
+MODULE_DESCRIPTION("gta01 battery driver");