i2c: apply coding style for struct i2c_adapter

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

include/linux/i2c.h

@@ -517,20 +517,23 @@ i2c_register_board_info(int busnum, struct i2c_board_info const *info,
  * Documentation file Documentation/i2c/fault-codes.
  */
 struct i2c_algorithm {
-	/* If an adapter algorithm can't do I2C-level access, set master_xfer
-	   to NULL. If an adapter algorithm can do SMBus access, set
-	   smbus_xfer. If set to NULL, the SMBus protocol is simulated
-	   using common I2C messages */
-	/* master_xfer should return the number of messages successfully
-	   processed, or a negative value on error */
+	/*
+	 * If an adapter algorithm can't do I2C-level access, set master_xfer
+	 * to NULL. If an adapter algorithm can do SMBus access, set
+	 * smbus_xfer. If set to NULL, the SMBus protocol is simulated
+	 * using common I2C messages.
+	 *
+	 * master_xfer should return the number of messages successfully
+	 * processed, or a negative value on error
+	 */
 	int (*master_xfer)(struct i2c_adapter *adap, struct i2c_msg *msgs,
 			   int num);
-	int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
-			   unsigned short flags, char read_write,
-			   u8 command, int size, union i2c_smbus_data *data);
+	int (*smbus_xfer)(struct i2c_adapter *adap, u16 addr,
+			  unsigned short flags, char read_write,
+			  u8 command, int size, union i2c_smbus_data *data);
 
 	/* To determine what the adapter supports */
-	u32 (*functionality) (struct i2c_adapter *);
+	u32 (*functionality)(struct i2c_adapter *adap);
 
 #if IS_ENABLED(CONFIG_I2C_SLAVE)
 	int (*reg_slave)(struct i2c_client *client);