i2c: Add IDs to adapters

IDs have been defined but not used by most of the I2C adapters.
By having a unique ID, clients can check for correct connection
during probe.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-via.c b/drivers/i2c/busses/i2c-via.c
index 15d7e00..bbcc621 100644
--- a/drivers/i2c/busses/i2c-via.c
+++ b/drivers/i2c/busses/i2c-via.c
@@ -86,6 +86,7 @@
 
 static struct i2c_adapter vt586b_adapter = {
 	.owner		= THIS_MODULE,
+	.id		= I2C_HW_B_VIA,
 	.class          = I2C_CLASS_HWMON,
 	.name		= "VIA i2c",
 	.algo_data	= &bit_data,