mfd: Support for ICs compliant with max8998

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index 310fd805..a720f41 100644
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -133,6 +133,7 @@
 	max8998->dev = &i2c->dev;
 	max8998->i2c = i2c;
 	max8998->irq = i2c->irq;
+	max8998->type = id->driver_data;
 	if (pdata) {
 		max8998->ono = pdata->ono;
 		max8998->irq_base = pdata->irq_base;
@@ -169,8 +170,8 @@
 }
 
 static const struct i2c_device_id max8998_i2c_id[] = {
-	{ "max8998", 0 },
-	{ "lp3974", 0 },
+	{ "max8998", TYPE_MAX8998 },
+	{ "lp3974", TYPE_LP3974},
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, max8998_i2c_id);