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>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 07546c2b2404..03d0aeea0189 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -384,6 +384,7 @@ static const struct i2c_algorithm smbus_algorithm = {
 
 static struct i2c_adapter piix4_adapter = {
         .owner          = THIS_MODULE,
+        .id             = I2C_HW_SMBUS_PIIX4,
         .class          = I2C_CLASS_HWMON,
         .algo           = &smbus_algorithm,
 };