AST_REG_A2P58
ast_moutdwm(ast, AST_REG_A2P58, ast_mindwm(ast, AST_REG_MCR08) & 0xffff);
ast_moutdwm(ast, AST_REG_MCR68, ast_mindwm(ast, AST_REG_A2P58) | (dlli << 16));
ast_moutdwm(ast, AST_REG_A2P58, ast_mindwm(ast, AST_REG_MCR68) & 0xffff);