i2c: algos: make use of i2c_8bit_addr_from_msg

Because it looks neater.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 3df0efd..4a34f31 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -519,9 +519,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
 			}
 		}
 	} else {		/* normal 7bit address	*/
-		addr = msg->addr << 1;
-		if (flags & I2C_M_RD)
-			addr |= 1;
+		addr = i2c_8bit_addr_from_msg(msg);
 		if (flags & I2C_M_REV_DIR_ADDR)
 			addr ^= 1;
 		ret = try_address(i2c_adap, addr, retries);