@@ -113,6 +113,25 @@ const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id,
}
EXPORT_SYMBOL_GPL(i2c_match_id);
+const void *i2c_get_match_data(const struct i2c_client *client)
+{
+ struct i2c_driver *driver = to_i2c_driver(client->dev.driver);
+ const struct i2c_device_id *match;
+ const void *data;
+
+ data = device_get_match_data(&client->dev);
+ if (!data) {
+ match = i2c_match_id(driver->id_table, client);
+ if (!match)
+ return NULL;
+
+ data = (const void *)match->driver_data;
+ }
+
+ return data;
+}
+EXPORT_SYMBOL(i2c_get_match_data);
+
static int i2c_device_match(struct device *dev, struct device_driver *drv)
{
struct i2c_client *client = i2c_verify_client(dev);
@@ -362,6 +362,8 @@ struct i2c_adapter *i2c_verify_adapter(struct device *dev);
const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id,
const struct i2c_client *client);
+const void *i2c_get_match_data(const struct i2c_client *client);
+
static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
{
struct device * const dev = kobj_to_dev(kobj);