samsung update 1

1 files changed, 75 insertions, 0 deletions

diff --git a/drivers/sensor/sensors_core.c b/drivers/sensor/sensors_core.c
new file mode 100644
index 0000000..a414492
--- /dev/null
+++ b/drivers/sensor/sensors_core.c
@@ -0,0 +1,75 @@
+/*
+ *  /driver/sensors/sensors_core.c
+ *
+ *  Copyright (C) 2011 Samsung Electronics Co.Ltd
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/err.h>
+#include <linux/sensor/sensors_core.h>
+
+struct class *sensors_class;
+
+/**
+* sensors_classdev_register - create new sensor device in sensors_class.
+* @dev: The device to register.
+*/
+struct device *sensors_classdev_register(char *sensors_name)
+{
+	struct device *dev;
+	int retval = -ENODEV;
+
+	dev = device_create(sensors_class, NULL, 0,
+					NULL, "%s", sensors_name);
+	if (IS_ERR(dev))
+		return ERR_PTR(retval);
+
+	printk(KERN_INFO "Registered sensors device: %s\n", sensors_name);
+	return dev;
+}
+EXPORT_SYMBOL_GPL(sensors_classdev_register);
+
+/**
+* sensors_classdev_unregister - unregisters a object of sensor device.
+*
+*/
+void sensors_classdev_unregister(struct device *dev)
+{
+	device_unregister(dev);
+}
+EXPORT_SYMBOL_GPL(sensors_classdev_unregister);
+
+static int __init sensors_class_init(void)
+{
+	sensors_class = class_create(THIS_MODULE, "sensors");
+	if (IS_ERR(sensors_class)) {
+		pr_err("Failed to create class(sensors)!\n");
+		return PTR_ERR(sensors_class);
+	}
+
+	return 0;
+}
+
+static void __exit sensors_class_exit(void)
+{
+	class_destroy(sensors_class);
+}
+
+subsys_initcall(sensors_class_init);
+module_exit(sensors_class_exit);
+
+MODULE_DESCRIPTION("Universal sensors core class");
+MODULE_AUTHOR("Samsung Electronics");
+MODULE_LICENSE("GPL");