I2C_SMBUS_READ,0,I2C_SMBUS_BYTE, &data))
                return -1;
        else
-               return 0x0FF & data.byte;
+               return data.byte;
 }
 
 s32 i2c_smbus_write_byte(struct i2c_client *client, u8 value)
                           I2C_SMBUS_READ,command, I2C_SMBUS_BYTE_DATA,&data))
                return -1;
        else
-               return 0x0FF & data.byte;
+               return data.byte;
 }
 
 s32 i2c_smbus_write_byte_data(struct i2c_client *client, u8 command, u8 value)
                           I2C_SMBUS_READ,command, I2C_SMBUS_WORD_DATA, &data))
                return -1;
        else
-               return 0x0FFFF & data.word;
+               return data.word;
 }
 
 s32 i2c_smbus_write_word_data(struct i2c_client *client, u8 command, u16 value)
                else {
                        msg[0].len=3;
                        msgbuf0[1] = data->word & 0xff;
-                       msgbuf0[2] = (data->word >> 8) & 0xff;
+                       msgbuf0[2] = data->word >> 8;
                }
                break;
        case I2C_SMBUS_PROC_CALL:
                msg[0].len = 3;
                msg[1].len = 2;
                msgbuf0[1] = data->word & 0xff;
-               msgbuf0[2] = (data->word >> 8) & 0xff;
+               msgbuf0[2] = data->word >> 8;
                break;
        case I2C_SMBUS_BLOCK_DATA:
                if (read_write == I2C_SMBUS_READ) {