diff --git a/drivers/video/output.c b/drivers/video/output.c
new file mode 100644
index 0000000..bcb2c53
--- /dev/null
+++ b/drivers/video/output.c
@@ -0,0 +1,110 @@
+/*
+ * Video output switch support
+ */
+
+#include <linux/module.h>
+#include <linux/output.h>
+#include <linux/err.h>
+#include <linux/ctype.h>
+
+
+MODULE_DESCRIPTION("Output Lowlevel Control Abstraction");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Luming Yu <luming.yu@intel.com>");
+
+static ssize_t video_output_show_state (struct class_device *dev, char *buf)
+{
+	ssize_t ret_size = 0;
+	struct output_device *od = to_output_device(dev);
+
+	if(od->props)
+		ret_size = sprintf(buf, "%.8x\n", od->props->get_status(od));
+
+	return ret_size;
+}
+
+static ssize_t video_output_store_state (struct class_device *dev, const char *buf, size_t count)
+{
+	char *endp;
+	struct output_device *od = to_output_device(dev);
+	int request_state = simple_strtoul(buf, &endp, 0);
+	size_t size = endp -buf;
+
+        if (*endp && isspace(*endp))
+                size++;
+        if (size != count)
+                return -EINVAL;
+
+	if(od->props){
+		od->request_state = request_state;
+		od->props->set_state(od);
+	}
+	return count;
+}
+
+static void video_output_class_release(struct class_device *dev)
+{
+        struct output_device *od = to_output_device(dev);
+        kfree(od);
+}
+
+static struct class_device_attribute video_output_attributes[] = {
+	__ATTR(state, 0644, video_output_show_state, video_output_store_state),
+	__ATTR_NULL,
+};
+
+static struct class video_output_class = {
+	.name = "video_output",
+	.release = video_output_class_release,
+	.class_dev_attrs = video_output_attributes,
+};
+
+
+struct output_device *video_output_register(const char *name,struct device *dev,
+				void *devdata, struct output_properties *op)
+{
+	struct output_device *new_dev;
+	int	ret_code = 0;
+
+	new_dev = (struct output_device *) kzalloc( sizeof(struct output_device), GFP_KERNEL);
+	if (!new_dev) {
+		ret_code = -ENOMEM;
+		goto error_return;
+	}
+	new_dev->props = op;
+	new_dev->class_dev.class = &video_output_class;
+	new_dev->class_dev.dev = dev;
+	strlcpy(new_dev->class_dev.class_id, name, KOBJ_NAME_LEN);
+	class_set_devdata(&new_dev->class_dev, devdata);
+	ret_code = class_device_register(&new_dev->class_dev);
+	if (ret_code){
+		kfree (new_dev);
+		goto error_return;
+	}
+	return new_dev;
+
+error_return:
+	return ERR_PTR(ret_code);
+}
+EXPORT_SYMBOL(video_output_register);
+
+void video_output_unregister(struct output_device *dev)
+{
+	if (!dev)
+		return;
+	class_device_unregister(&dev->class_dev);
+}
+EXPORT_SYMBOL(video_output_unregister);
+
+static void __exit video_output_class_exit(void)
+{
+	class_unregister(&video_output_class);
+}
+
+static int __init video_output_class_init(void)
+{
+	return class_register(&video_output_class);
+}
+
+postcore_initcall(video_output_class_init);
+module_exit(video_output_class_exit);
diff --git a/include/linux/output.h b/include/linux/output.h
new file mode 100644
index 0000000..f4eb12c
--- /dev/null
+++ b/include/linux/output.h
@@ -0,0 +1,23 @@
+#ifndef _LINUX_OUTPUT_H
+#define _LINUX_OUTPUT_H
+
+#include <linux/device.h>
+
+struct output_device;
+
+struct output_properties {
+	int (*set_state)(struct output_device *);
+	int (*get_status)(struct output_device *);
+};
+
+struct output_device {
+	int request_state;
+	struct output_properties *props;
+	struct class_device class_dev;
+};
+
+#define to_output_device(obj) container_of(obj, struct output_device, class_dev)
+
+struct output_device *video_output_register(const char *, struct device *dev, void *, struct output_properties *);
+void video_output_unregister(struct output_device *);
+#endif