X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fmedia%2Fv4l2-i2c-drv-legacy.h;h=e65dd9d84e8b1ee80f6f262c930fa0369ca743ac;hb=51f0b8d57af501624ee55e8ca15d09d5bdc2b0dd;hp=e7645578fc22dbb87e817a810d3184c8f8a45d96;hpb=bfb6df24facfde7ec6191edbba798777efb3c375;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/media/v4l2-i2c-drv-legacy.h b/include/media/v4l2-i2c-drv-legacy.h
index e764557..e65dd9d 100644
--- a/include/media/v4l2-i2c-drv-legacy.h
+++ b/include/media/v4l2-i2c-drv-legacy.h
@@ -21,16 +21,28 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+/* NOTE: the full version of this header is in the v4l-dvb repository
+ * and allows v4l i2c drivers to be compiled on older kernels as well.
+ * The version of this header as it appears in the kernel is a stripped
+ * version (without all the backwards compatibility stuff) and so it
+ * looks a bit odd.
+ *
+ * If you look at the full version then you will understand the reason
+ * for introducing this header since you really don't want to have all
+ * the tricky backwards compatibility code in each and every i2c driver.
+ */
+
 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 (*probe)(struct i2c_client *client, const struct i2c_device_id *id);
 	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;
+	const struct i2c_device_id *id_table;
 };
 
 static struct v4l2_i2c_driver_data v4l2_i2c_data;
@@ -67,7 +79,6 @@ static int v4l2_i2c_drv_detach_legacy(struct i2c_client *client)
 	if (err)
 		return err;
 	kfree(client);
-
 	return 0;
 }
 
@@ -124,6 +135,7 @@ static int __init v4l2_i2c_drv_init(void)
 	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.id_table = v4l2_i2c_data.id_table;
 	err = i2c_add_driver(&v4l2_i2c_driver);
 	if (err)
 		i2c_del_driver(&v4l2_i2c_driver_legacy);