1 files changed, 68 insertions, 0 deletions

diff --git a/include/media/v4l2-i2c-drv.h b/include/media/v4l2-i2c-drv.h
new file mode 100644
index 000000000000..9e4bab276915
--- /dev/null
+++ b/include/media/v4l2-i2c-drv.h
@@ -0,0 +1,68 @@
+/*
+ * v4l2-i2c-drv.h - contains I2C handling code that's identical for
+ *                  all V4L2 I2C drivers. Use this header if the
+ *                  I2C driver is only used by drivers converted
+ *                  to the bus-based I2C API.
+ *
+ * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __V4L2_I2C_DRV_H__
+#define __V4L2_I2C_DRV_H__
+
+#include <media/v4l2-common.h>
+
+struct v4l2_i2c_driver_data {
+        const char * const name;
+        int driverid;
+        int (*command)(struct i2c_client *client, unsigned int cmd, void *arg);
+        int (*probe)(struct i2c_client *client);
+        int (*remove)(struct i2c_client *client);
+        int (*suspend)(struct i2c_client *client, pm_message_t state);
+        int (*resume)(struct i2c_client *client);
+        int (*legacy_probe)(struct i2c_adapter *adapter);
+        int legacy_class;
+};
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data;
+static struct i2c_driver v4l2_i2c_driver;
+
+
+/* Bus-based I2C implementation for kernels >= 2.6.22 */
+
+static int __init v4l2_i2c_drv_init(void)
+{
+        v4l2_i2c_driver.driver.name = v4l2_i2c_data.name;
+        v4l2_i2c_driver.id = v4l2_i2c_data.driverid;
+        v4l2_i2c_driver.command = v4l2_i2c_data.command;
+        v4l2_i2c_driver.probe = v4l2_i2c_data.probe;
+        v4l2_i2c_driver.remove = v4l2_i2c_data.remove;
+        v4l2_i2c_driver.suspend = v4l2_i2c_data.suspend;
+        v4l2_i2c_driver.resume = v4l2_i2c_data.resume;
+        return i2c_add_driver(&v4l2_i2c_driver);
+}
+
+
+static void __exit v4l2_i2c_drv_cleanup(void)
+{
+        i2c_del_driver(&v4l2_i2c_driver);
+}
+
+module_init(v4l2_i2c_drv_init);
+module_exit(v4l2_i2c_drv_cleanup);
+
+#endif /* __V4L2_I2C_DRV_H__ */