Input: synaptics-rmi4 - RMI4 can also use SMBUS version 3

Some Synaptics devices, such as LEN0073, use SMBUS version 3.
Signed-off-by: NYiannis Marangos <yiannis.marangos@gmail.com>
Acked-by: NBenjamin Tissoires <benjamion.tissoires@redhat.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/rmi4/rmi_smbus.c

@@ -312,7 +312,7 @@ static int rmi_smb_probe(struct i2c_client *client,
 	rmi_smb->xport.dev = &client->dev;
 	rmi_smb->xport.pdata = *pdata;
 	rmi_smb->xport.pdata.irq = client->irq;
-	rmi_smb->xport.proto_name = "smb2";
+	rmi_smb->xport.proto_name = "smb";
 	rmi_smb->xport.ops = &rmi_smb_ops;
 
 	smbus_version = rmi_smb_get_version(rmi_smb);
@@ -322,7 +322,7 @@ static int rmi_smb_probe(struct i2c_client *client,
 	rmi_dbg(RMI_DEBUG_XPORT, &client->dev, "Smbus version is %d",
 		smbus_version);
 
-	if (smbus_version != 2) {
+	if (smbus_version != 2 && smbus_version != 3) {
 		dev_err(&client->dev, "Unrecognized SMB version %d\n",
 				smbus_version);
 		return -ENODEV;