diff --git a/drivers/video/via/via_i2c.c b/drivers/video/via/via_i2c.c
index c88450ee62ba..febc1dda69c1 100644
--- a/drivers/video/via/via_i2c.c
+++ b/drivers/video/via/via_i2c.c
@@ -157,6 +157,19 @@ int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len
 	return i2c_transfer(&via_i2c_par[adap].adapter, msgs, 2);
 }
 
+/*
+ * Allow other viafb subdevices to look up a specific adapter
+ * by port name.
+ */
+struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which)
+{
+	struct via_i2c_stuff *stuff = &via_i2c_par[which];
+
+	return &stuff->adapter;
+}
+EXPORT_SYMBOL_GPL(viafb_find_i2c_adapter);
+
+
 static int create_i2c_bus(struct i2c_adapter *adapter,
 			  struct i2c_algo_bit_data *algo,
 			  struct via_port_cfg *adap_cfg,
diff --git a/drivers/video/via/via_i2c.h b/drivers/video/via/via_i2c.h
index 1d18e7d57b7f..44532e468c05 100644
--- a/drivers/video/via/via_i2c.h
+++ b/drivers/video/via/via_i2c.h
@@ -35,6 +35,7 @@ struct via_i2c_stuff {
 int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata);
 int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data);
 int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len);
+struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which);
 
 extern int viafb_i2c_init(void);
 extern void viafb_i2c_exit(void);